/* ================================================================
   KandaNews Ads Portal — ads.css
   Design System: Navy (#1e2b42) + Orange (#f05a1a)
   Standalone CSS — does NOT import base.css
   ================================================================ */

/* ================================================================
   1. CSS RESET
   ================================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, video { max-width: 100%; display: block; }
a { text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ================================================================
   2. CSS VARIABLES
   ================================================================ */
:root {
    /* Brand */
    --kn-navy:         #1e2b42;
    --kn-navy-light:   #2a3f5f;
    --kn-navy-dark:    #0f172a;
    --kn-navy-bg:      #061326;
    --kn-orange:       #f05a1a;
    --kn-orange-hover: #ff7b48;
    --kn-orange-light: rgba(240, 90, 26, 0.12);
    --kn-orange-glow:  rgba(240, 90, 26, 0.35);
    --kn-white:        #ffffff;

    /* Neutrals */
    --kn-light:      #f8fafc;
    --kn-gray-50:    #f9fafb;
    --kn-gray-100:   #f1f5f9;
    --kn-gray-200:   #e5e7eb;
    --kn-gray-300:   #d1d5db;
    --kn-gray-400:   #94a3b8;
    --kn-gray-500:   #64748b;
    --kn-gray-600:   #475569;
    --kn-gray-700:   #334155;
    --kn-gray-800:   #1e293b;
    --kn-ink:        #0f172a;
    --kn-muted:      #64748b;
    --kn-border:     #e5e7eb;

    /* Feedback */
    --kn-success:       #059669;
    --kn-success-light: rgba(5, 150, 105, 0.12);
    --kn-warning:       #d97706;
    --kn-warning-light: rgba(217, 119, 6, 0.12);
    --kn-danger:        #dc2626;
    --kn-danger-light:  rgba(220, 38, 38, 0.12);
    --kn-info:          #0284c7;
    --kn-info-light:    rgba(2, 132, 199, 0.12);

    /* Radii */
    --kn-radius-xs:   6px;
    --kn-radius-sm:   10px;
    --kn-radius:      14px;
    --kn-radius-lg:   20px;
    --kn-radius-xl:   28px;
    --kn-radius-full: 999px;

    /* Shadows */
    --kn-shadow-xs:     0 1px 2px rgba(0,0,0,0.04);
    --kn-shadow-sm:     0 2px 8px rgba(0,0,0,0.05);
    --kn-shadow:        0 8px 30px rgba(0,0,0,0.06);
    --kn-shadow-md:     0 12px 40px rgba(0,0,0,0.08);
    --kn-shadow-lg:     0 20px 60px rgba(3,8,20,0.12);
    --kn-shadow-xl:     0 32px 80px rgba(3,8,20,0.18);
    --kn-shadow-orange: 0 8px 24px rgba(240,90,26,0.3);
    --kn-shadow-orange-lg: 0 14px 36px rgba(240,90,26,0.4);
    --kn-shadow-navy:   0 8px 24px rgba(30,43,66,0.3);

    /* Layout */
    --kn-container:  1200px;
    --kn-header-h:   68px;

    /* Typography */
    --kn-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
    --kn-leading: 1.6;

    /* Transitions */
    --kn-ease:         cubic-bezier(0.4, 0, 0.2, 1);
    --kn-ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
    --kn-duration:     0.2s;
    --kn-duration-slow: 0.4s;

    /* Z-index */
    --kn-z-header:  1000;
    --kn-z-overlay: 900;
    --kn-z-modal:   1100;
}

/* ================================================================
   3. BASE
   ================================================================ */
body {
    font-family: var(--kn-font);
    color: var(--kn-ink);
    background: var(--kn-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.kn-main {
    flex: 1;
    padding-top: var(--kn-header-h);
}

.container {
    max-width: var(--kn-container);
    margin: 0 auto;
    padding: 0 24px;
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 48px 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--kn-navy);
    line-height: 1.15;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--kn-muted);
    margin-bottom: 48px;
    max-width: 560px;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.text-orange { color: var(--kn-orange); }
.text-navy   { color: var(--kn-navy); }
.text-muted  { color: var(--kn-muted); }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.fw-semi { font-weight: 600; }

/* ================================================================
   4. HEADER / NAV
   ================================================================ */
.kn-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--kn-z-header);
    height: var(--kn-header-h);
    background: var(--kn-navy);
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
    transition: background var(--kn-duration) var(--kn-ease);
}

.kn-nav {
    display: flex;
    align-items: center;
    height: var(--kn-header-h);
    gap: 24px;
}

/* Logo */
.kn-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--kn-white);
    text-decoration: none;
    flex-shrink: 0;
}

.kn-logo-icon {
    width: 38px;
    height: 38px;
    background: var(--kn-orange);
    border-radius: var(--kn-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--kn-white);
    box-shadow: var(--kn-shadow-orange);
}

.kn-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.kn-logo-brand {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--kn-white);
}

.kn-logo-sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--kn-orange);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Nav links */
.kn-nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.kn-nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--kn-radius-sm);
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-nav-link:hover,
.kn-nav-link.active {
    color: var(--kn-white);
    background: rgba(255,255,255,0.1);
}

.kn-nav-link.active {
    color: var(--kn-orange);
}

/* Nav actions */
.kn-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.kn-nav-user {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.85);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 10px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--kn-radius-sm);
}

/* Hamburger */
.kn-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: var(--kn-radius-xs);
    margin-left: auto;
}

.kn-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--kn-white);
    border-radius: 2px;
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.kn-hamburger.open span:nth-child(2) { opacity: 0; }
.kn-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.kn-mobile-nav {
    display: none;
    position: fixed;
    top: var(--kn-header-h);
    left: 0;
    right: 0;
    z-index: calc(var(--kn-z-header) - 1);
    background: var(--kn-navy-dark);
    transform: translateY(-100%);
    transition: transform var(--kn-duration-slow) var(--kn-ease);
    box-shadow: var(--kn-shadow-lg);
}

.kn-mobile-nav.open {
    transform: translateY(0);
}

.kn-mobile-nav-inner {
    padding: 16px 24px 24px;
}

.kn-mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }

.kn-mobile-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--kn-radius-sm);
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-mobile-nav a:hover {
    background: rgba(255,255,255,0.1);
    color: var(--kn-white);
}

/* ================================================================
   5. BUTTONS
   ================================================================ */
.kn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--kn-radius-sm);
    font-family: var(--kn-font);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    transition: all var(--kn-duration) var(--kn-ease);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
    text-decoration: none;
}

.kn-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.kn-btn-primary {
    background: var(--kn-orange);
    color: var(--kn-white);
    border-color: var(--kn-orange);
    box-shadow: var(--kn-shadow-orange);
}

.kn-btn-primary:hover:not(:disabled) {
    background: var(--kn-orange-hover);
    border-color: var(--kn-orange-hover);
    box-shadow: var(--kn-shadow-orange-lg);
    transform: translateY(-1px);
}

.kn-btn-navy {
    background: var(--kn-navy);
    color: var(--kn-white);
    border-color: var(--kn-navy);
    box-shadow: var(--kn-shadow-navy);
}

.kn-btn-navy:hover:not(:disabled) {
    background: var(--kn-navy-light);
    border-color: var(--kn-navy-light);
    transform: translateY(-1px);
}

.kn-btn-outline {
    background: transparent;
    color: var(--kn-white);
    border-color: rgba(255,255,255,0.35);
}

.kn-btn-outline:hover:not(:disabled) {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}

.kn-btn-outline-navy {
    background: transparent;
    color: var(--kn-navy);
    border-color: var(--kn-navy);
}

.kn-btn-outline-navy:hover:not(:disabled) {
    background: var(--kn-navy);
    color: var(--kn-white);
}

.kn-btn-outline-orange {
    background: transparent;
    color: var(--kn-orange);
    border-color: var(--kn-orange);
}

.kn-btn-outline-orange:hover:not(:disabled) {
    background: var(--kn-orange);
    color: var(--kn-white);
}

.kn-btn-ghost {
    background: transparent;
    color: var(--kn-orange);
    border-color: transparent;
}

.kn-btn-ghost:hover:not(:disabled) {
    background: var(--kn-orange-light);
}

.kn-btn-sm {
    padding: 8px 16px;
    font-size: 0.8125rem;
}

.kn-btn-lg {
    padding: 16px 36px;
    font-size: 1.0625rem;
    border-radius: var(--kn-radius);
}

.kn-btn-xl {
    padding: 20px 48px;
    font-size: 1.125rem;
    border-radius: var(--kn-radius);
}

.kn-btn-full { width: 100%; }

/* ================================================================
   6. HERO
   ================================================================ */
.kn-hero {
    position: relative;
    background: linear-gradient(135deg, var(--kn-navy-bg) 0%, var(--kn-navy) 50%, var(--kn-navy-light) 100%);
    color: var(--kn-white);
    overflow: hidden;
    padding: 100px 0 120px;
    min-height: 580px;
    display: flex;
    align-items: center;
}

.kn-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--kn-orange-glow) 0%, transparent 70%);
    pointer-events: none;
}

.kn-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.kn-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.kn-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240,90,26,0.15);
    border: 1px solid rgba(240,90,26,0.3);
    border-radius: var(--kn-radius-full);
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--kn-orange);
    letter-spacing: 0.03em;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.kn-hero-title {
    font-size: clamp(2.25rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.kn-hero-title .highlight {
    color: var(--kn-orange);
    position: relative;
}

.kn-hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 560px;
}

.kn-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ================================================================
   7. STATS BAR
   ================================================================ */
.kn-stats-bar {
    background: var(--kn-orange);
    padding: 24px 0;
}

.kn-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.kn-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 8px 20px;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.kn-stat-item:last-child { border-right: none; }

.kn-stat-number {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--kn-white);
    line-height: 1;
    margin-bottom: 4px;
}

.kn-stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ================================================================
   8. CARDS
   ================================================================ */
.kn-card {
    background: var(--kn-white);
    border-radius: var(--kn-radius);
    box-shadow: var(--kn-shadow);
    border: 1px solid var(--kn-border);
    overflow: hidden;
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-card:hover {
    box-shadow: var(--kn-shadow-md);
    transform: translateY(-2px);
}

.kn-card-body {
    padding: 28px;
}

.kn-card-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--kn-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.kn-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--kn-navy);
}

/* Feature cards */
.kn-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.kn-feature-card {
    background: var(--kn-white);
    border-radius: var(--kn-radius);
    padding: 32px 28px;
    box-shadow: var(--kn-shadow);
    border: 1px solid var(--kn-border);
    transition: all var(--kn-duration-slow) var(--kn-ease);
}

.kn-feature-card:hover {
    box-shadow: var(--kn-shadow-md);
    transform: translateY(-4px);
    border-color: var(--kn-orange-light);
}

.kn-feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--kn-radius-sm);
    background: linear-gradient(135deg, var(--kn-orange), var(--kn-orange-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
    color: var(--kn-white);
    margin-bottom: 20px;
    box-shadow: var(--kn-shadow-orange);
}

.kn-feature-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--kn-navy);
    margin-bottom: 8px;
}

.kn-feature-desc {
    font-size: 0.9rem;
    color: var(--kn-muted);
    line-height: 1.65;
}

/* Format cards (booking wizard) */
.kn-format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.kn-format-card {
    background: var(--kn-white);
    border: 2px solid var(--kn-border);
    border-radius: var(--kn-radius);
    padding: 24px 20px;
    cursor: pointer;
    transition: all var(--kn-duration) var(--kn-ease);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.kn-format-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--kn-orange-light), transparent);
    opacity: 0;
    transition: opacity var(--kn-duration) var(--kn-ease);
}

.kn-format-card:hover {
    border-color: var(--kn-orange);
    box-shadow: var(--kn-shadow-orange);
    transform: translateY(-2px);
}

.kn-format-card:hover::before { opacity: 1; }

.kn-format-card.selected {
    border-color: var(--kn-orange);
    background: var(--kn-orange-light);
    box-shadow: var(--kn-shadow-orange);
}

.kn-format-card.selected::before { opacity: 1; }

.kn-format-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--kn-radius-sm);
    background: var(--kn-orange-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--kn-orange);
    margin: 0 auto 12px;
    position: relative;
    z-index: 1;
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-format-card.selected .kn-format-icon,
.kn-format-card:hover .kn-format-icon {
    background: var(--kn-orange);
    color: var(--kn-white);
}

.kn-format-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--kn-navy);
    margin-bottom: 4px;
    position: relative;
    z-index: 1;
}

.kn-format-desc {
    font-size: 0.775rem;
    color: var(--kn-muted);
    margin-bottom: 10px;
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

.kn-format-price {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--kn-orange);
    position: relative;
    z-index: 1;
}

.kn-format-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--kn-orange);
    color: var(--kn-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--kn-duration) var(--kn-ease-bounce);
    z-index: 2;
}

.kn-format-card.selected .kn-format-check {
    opacity: 1;
    transform: scale(1);
}

/* Discount cards */
.kn-discount-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.kn-discount-card {
    background: var(--kn-white);
    border-radius: var(--kn-radius-lg);
    padding: 36px 32px;
    box-shadow: var(--kn-shadow-md);
    border: 2px solid var(--kn-border);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--kn-duration-slow) var(--kn-ease);
}

.kn-discount-card:hover {
    border-color: var(--kn-orange);
    box-shadow: var(--kn-shadow-orange);
    transform: translateY(-4px);
}

.kn-discount-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--kn-orange), var(--kn-orange-hover));
    color: var(--kn-white);
    font-size: 2rem;
    font-weight: 900;
    padding: 8px 20px;
    border-radius: var(--kn-radius-full);
    margin-bottom: 16px;
    box-shadow: var(--kn-shadow-orange);
}

.kn-discount-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--kn-navy);
    margin-bottom: 8px;
}

.kn-discount-desc {
    color: var(--kn-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Stats cards (dashboard) */
.kn-stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.kn-stat-card {
    background: var(--kn-white);
    border-radius: var(--kn-radius);
    padding: 24px;
    box-shadow: var(--kn-shadow);
    border: 1px solid var(--kn-border);
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.kn-stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--kn-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.kn-stat-card-icon.orange { background: var(--kn-orange-light); color: var(--kn-orange); }
.kn-stat-card-icon.navy  { background: rgba(30,43,66,0.1); color: var(--kn-navy); }
.kn-stat-card-icon.green { background: var(--kn-success-light); color: var(--kn-success); }
.kn-stat-card-icon.warn  { background: var(--kn-warning-light); color: var(--kn-warning); }

.kn-stat-card-info { flex: 1; }

.kn-stat-card-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--kn-navy);
    line-height: 1;
    margin-bottom: 4px;
}

.kn-stat-card-label {
    font-size: 0.8125rem;
    color: var(--kn-muted);
    font-weight: 500;
}

/* ================================================================
   9. FORMS
   ================================================================ */
.kn-form-group {
    margin-bottom: 20px;
}

.kn-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--kn-navy);
    margin-bottom: 6px;
}

.kn-label .req {
    color: var(--kn-orange);
    margin-left: 2px;
}

.kn-input,
.kn-select,
.kn-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--kn-border);
    border-radius: var(--kn-radius-sm);
    font-family: var(--kn-font);
    font-size: 0.9375rem;
    color: var(--kn-ink);
    background: var(--kn-white);
    transition: all var(--kn-duration) var(--kn-ease);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.kn-input:focus,
.kn-select:focus,
.kn-textarea:focus {
    border-color: var(--kn-orange);
    box-shadow: 0 0 0 3px var(--kn-orange-light);
}

.kn-input::placeholder,
.kn-textarea::placeholder {
    color: var(--kn-gray-400);
}

.kn-input.error,
.kn-select.error {
    border-color: var(--kn-danger);
    box-shadow: 0 0 0 3px var(--kn-danger-light);
}

.kn-textarea {
    resize: vertical;
    min-height: 100px;
}

.kn-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
    cursor: pointer;
}

.kn-form-error {
    font-size: 0.8rem;
    color: var(--kn-danger);
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.kn-form-hint {
    font-size: 0.8rem;
    color: var(--kn-muted);
    margin-top: 5px;
}

.kn-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.kn-form-card {
    background: var(--kn-white);
    border-radius: var(--kn-radius-lg);
    box-shadow: var(--kn-shadow-lg);
    overflow: hidden;
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
}

.kn-form-card-header {
    background: linear-gradient(135deg, var(--kn-navy) 0%, var(--kn-navy-light) 100%);
    padding: 32px 36px;
    color: var(--kn-white);
}

.kn-form-card-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.kn-form-card-subtitle {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

.kn-form-card-body {
    padding: 36px;
}

/* Range slider */
.kn-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--kn-gray-200);
    outline: none;
    margin: 8px 0;
}

.kn-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--kn-orange);
    cursor: pointer;
    box-shadow: var(--kn-shadow-orange);
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.kn-range::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--kn-orange);
    cursor: pointer;
    border: none;
    box-shadow: var(--kn-shadow-orange);
}

/* ================================================================
   10. TABLE
   ================================================================ */
.kn-table-wrap {
    overflow-x: auto;
    border-radius: var(--kn-radius);
    box-shadow: var(--kn-shadow);
    border: 1px solid var(--kn-border);
}

.kn-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--kn-white);
}

.kn-table thead {
    background: var(--kn-navy);
    color: var(--kn-white);
}

.kn-table thead th {
    padding: 14px 20px;
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.kn-table tbody tr {
    border-bottom: 1px solid var(--kn-border);
    transition: background var(--kn-duration) var(--kn-ease);
}

.kn-table tbody tr:last-child { border-bottom: none; }

.kn-table tbody tr:hover {
    background: var(--kn-gray-50);
}

.kn-table td {
    padding: 14px 20px;
    font-size: 0.9rem;
    color: var(--kn-ink);
    vertical-align: middle;
}

.kn-table .format-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--kn-radius-xs);
    background: var(--kn-orange-light);
    color: var(--kn-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.kn-table .format-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ================================================================
   11. BADGES
   ================================================================ */
.kn-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--kn-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.kn-badge-pending  { background: var(--kn-warning-light); color: var(--kn-warning); }
.kn-badge-paid     { background: var(--kn-success-light); color: var(--kn-success); }
.kn-badge-active   { background: var(--kn-info-light);    color: var(--kn-info); }
.kn-badge-confirmed{ background: rgba(30,43,66,0.1);      color: var(--kn-navy); }
.kn-badge-completed{ background: var(--kn-gray-100);      color: var(--kn-gray-600); }
.kn-badge-cancelled{ background: var(--kn-danger-light);  color: var(--kn-danger); }
.kn-badge-failed   { background: var(--kn-danger-light);  color: var(--kn-danger); }
.kn-badge-orange   { background: var(--kn-orange-light);  color: var(--kn-orange); }

/* ================================================================
   12. STEPS
   ================================================================ */
.kn-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.kn-steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: calc(12.5% + 20px);
    right: calc(12.5% + 20px);
    height: 2px;
    background: var(--kn-border);
    z-index: 0;
}

.kn-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 12px;
    position: relative;
    z-index: 1;
}

.kn-step-num {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--kn-white);
    background: linear-gradient(135deg, var(--kn-navy), var(--kn-navy-light));
    box-shadow: var(--kn-shadow-navy);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    transition: all var(--kn-duration-slow) var(--kn-ease);
}

.kn-step:hover .kn-step-num {
    background: linear-gradient(135deg, var(--kn-orange), var(--kn-orange-hover));
    box-shadow: var(--kn-shadow-orange);
    transform: scale(1.08);
}

.kn-step-icon {
    font-size: 1.25rem;
}

.kn-step-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--kn-navy);
    margin-bottom: 6px;
}

.kn-step-desc {
    font-size: 0.8375rem;
    color: var(--kn-muted);
    line-height: 1.5;
}

/* Wizard step indicators */
.kn-wizard-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 40px;
}

.kn-wizard-step {
    display: flex;
    align-items: center;
    gap: 10px;
}

.kn-wizard-step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--kn-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--kn-muted);
    background: var(--kn-white);
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-wizard-step.active .kn-wizard-step-num {
    background: var(--kn-orange);
    border-color: var(--kn-orange);
    color: var(--kn-white);
    box-shadow: var(--kn-shadow-orange);
}

.kn-wizard-step.completed .kn-wizard-step-num {
    background: var(--kn-success);
    border-color: var(--kn-success);
    color: var(--kn-white);
}

.kn-wizard-step-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--kn-muted);
    transition: color var(--kn-duration) var(--kn-ease);
}

.kn-wizard-step.active .kn-wizard-step-label { color: var(--kn-orange); }
.kn-wizard-step.completed .kn-wizard-step-label { color: var(--kn-success); }

.kn-wizard-connector {
    width: 60px;
    height: 2px;
    background: var(--kn-border);
    margin: 0 6px;
    flex-shrink: 0;
    transition: background var(--kn-duration) var(--kn-ease);
}

.kn-wizard-connector.completed { background: var(--kn-success); }

/* Wizard panels */
.kn-wizard-panel {
    display: none;
}

.kn-wizard-panel.active {
    display: block;
}

/* ================================================================
   13. DASHBOARD LAYOUT
   ================================================================ */
.kn-dashboard {
    padding: 40px 0 80px;
}

.kn-dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.kn-dashboard-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--kn-navy);
}

.kn-dashboard-subtitle {
    font-size: 0.9375rem;
    color: var(--kn-muted);
    margin-top: 4px;
}

.kn-empty-state {
    text-align: center;
    padding: 64px 32px;
    background: var(--kn-gray-50);
    border-radius: var(--kn-radius-lg);
    border: 2px dashed var(--kn-border);
}

.kn-empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--kn-orange-light);
    color: var(--kn-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.kn-empty-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--kn-navy);
    margin-bottom: 8px;
}

.kn-empty-desc {
    color: var(--kn-muted);
    margin-bottom: 24px;
    font-size: 0.9375rem;
}

/* ================================================================
   14. FLASH MESSAGES / ALERTS
   ================================================================ */
.kn-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--kn-radius-sm);
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid;
}

.kn-alert-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

.kn-alert-success {
    background: var(--kn-success-light);
    border-color: var(--kn-success);
    color: #065f46;
}

.kn-alert-error {
    background: var(--kn-danger-light);
    border-color: var(--kn-danger);
    color: #991b1b;
}

.kn-alert-warning {
    background: var(--kn-warning-light);
    border-color: var(--kn-warning);
    color: #92400e;
}

.kn-alert-info {
    background: var(--kn-info-light);
    border-color: var(--kn-info);
    color: #0c4a6e;
}

/* ================================================================
   15. PRICE BOX
   ================================================================ */
.kn-price-box {
    background: linear-gradient(135deg, var(--kn-navy) 0%, var(--kn-navy-light) 100%);
    border-radius: var(--kn-radius);
    padding: 28px;
    color: var(--kn-white);
}

.kn-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.kn-price-row:last-child { border-bottom: none; }

.kn-price-row.total {
    padding-top: 14px;
    margin-top: 4px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--kn-white);
    border-top: 2px solid rgba(255,255,255,0.2);
    border-bottom: none;
}

.kn-price-value {
    color: var(--kn-white);
    font-weight: 600;
}

.kn-price-value.discount { color: #6ee7b7; }

.kn-price-total-amount {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--kn-orange);
}

/* ================================================================
   16. CTA SECTION
   ================================================================ */
.kn-cta-section {
    background: linear-gradient(135deg, var(--kn-navy-bg) 0%, var(--kn-navy) 60%, var(--kn-navy-light) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--kn-white);
    position: relative;
    overflow: hidden;
}

.kn-cta-section::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--kn-orange-glow) 0%, transparent 65%);
    pointer-events: none;
}

.kn-cta-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
    position: relative;
}

.kn-cta-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.75);
    max-width: 500px;
    margin: 0 auto 36px;
    line-height: 1.7;
    position: relative;
}

/* ================================================================
   17. SUCCESS / CANCEL PAGES
   ================================================================ */
.kn-result-page {
    min-height: calc(100vh - var(--kn-header-h));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    background: var(--kn-gray-50);
}

.kn-result-card {
    background: var(--kn-white);
    border-radius: var(--kn-radius-xl);
    box-shadow: var(--kn-shadow-xl);
    padding: 56px 48px;
    max-width: 520px;
    width: 100%;
    text-align: center;
}

.kn-result-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.75rem;
    margin: 0 auto 28px;
}

.kn-result-icon.success { background: var(--kn-success-light); color: var(--kn-success); }
.kn-result-icon.error   { background: var(--kn-danger-light);  color: var(--kn-danger); }
.kn-result-icon.warning { background: var(--kn-warning-light); color: var(--kn-warning); }

.kn-result-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--kn-navy);
    margin-bottom: 10px;
}

.kn-result-desc {
    color: var(--kn-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 28px;
}

/* ================================================================
   18. BOOKING SUMMARY
   ================================================================ */
.kn-booking-summary {
    background: var(--kn-gray-50);
    border-radius: var(--kn-radius);
    border: 1px solid var(--kn-border);
    padding: 24px;
    margin-bottom: 24px;
}

.kn-booking-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--kn-border);
}

.kn-booking-summary-row:last-child { border-bottom: none; }
.kn-booking-summary-row .label { color: var(--kn-muted); font-weight: 500; }
.kn-booking-summary-row .value { color: var(--kn-ink); font-weight: 600; }
.kn-booking-summary-row.total-row .value { color: var(--kn-orange); font-size: 1.1rem; font-weight: 800; }

/* ================================================================
   19. PAGE LAYOUTS
   ================================================================ */
.kn-page-wrapper {
    min-height: calc(100vh - var(--kn-header-h));
    background: var(--kn-gray-50);
    padding: 48px 0 80px;
}

.kn-page-wrapper.dark {
    background: var(--kn-navy-bg);
}

.kn-page-header {
    margin-bottom: 36px;
}

.kn-page-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--kn-navy);
    margin-bottom: 6px;
}

.kn-page-subtitle {
    font-size: 0.9375rem;
    color: var(--kn-muted);
}

/* Auth pages */
.kn-auth-page {
    min-height: calc(100vh - var(--kn-header-h));
    background: linear-gradient(135deg, var(--kn-navy-bg) 0%, var(--kn-navy) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
}

/* ================================================================
   20. FOOTER
   ================================================================ */
.kn-footer {
    background: var(--kn-navy-bg);
    color: var(--kn-white);
    padding: 60px 0 0;
    margin-top: auto;
}

.kn-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.kn-footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--kn-white);
    text-decoration: none;
    margin-bottom: 16px;
}

.kn-footer-tagline {
    color: rgba(255,255,255,0.55);
    font-size: 0.875rem;
    line-height: 1.65;
    margin-bottom: 20px;
}

.kn-footer-social {
    display: flex;
    gap: 10px;
}

.kn-footer-social a {
    width: 38px;
    height: 38px;
    border-radius: var(--kn-radius-sm);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
    transition: all var(--kn-duration) var(--kn-ease);
}

.kn-footer-social a:hover {
    background: var(--kn-orange);
    border-color: var(--kn-orange);
    color: var(--kn-white);
}

.kn-footer-heading {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--kn-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.kn-footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kn-footer-links a {
    color: rgba(255,255,255,0.55);
    font-size: 0.875rem;
    transition: color var(--kn-duration) var(--kn-ease);
}

.kn-footer-links a:hover { color: var(--kn-orange); }

.kn-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.kn-footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.55);
    font-size: 0.875rem;
}

.kn-footer-contact li i {
    color: var(--kn-orange);
    width: 16px;
    flex-shrink: 0;
}

.kn-footer-contact a {
    color: rgba(255,255,255,0.7);
    transition: color var(--kn-duration) var(--kn-ease);
}

.kn-footer-contact a:hover { color: var(--kn-orange); }

.kn-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
    flex-wrap: wrap;
}

.kn-footer-powered a {
    color: var(--kn-orange);
    transition: opacity var(--kn-duration) var(--kn-ease);
}

.kn-footer-powered a:hover { opacity: 0.8; }

/* ================================================================
   21. UTILITY
   ================================================================ */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mb-0  { margin-bottom: 0; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.p-24  { padding: 24px; }
.p-32  { padding: 32px; }

/* Divider */
.kn-divider {
    border: none;
    border-top: 1px solid var(--kn-border);
    margin: 24px 0;
}

/* Spinner */
.kn-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--kn-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Tag / pill */
.kn-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--kn-radius-full);
    font-size: 0.775rem;
    font-weight: 600;
    background: var(--kn-orange-light);
    color: var(--kn-orange);
}

/* ================================================================
   22. RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
    .kn-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .kn-stats-cards  { grid-template-columns: repeat(2, 1fr); }
    .kn-footer-grid  { grid-template-columns: 1fr 1fr; gap: 32px; }
    .kn-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .kn-steps::before { display: none; }
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .section { padding: 56px 0; }

    /* Nav */
    .kn-nav-links  { display: none; }
    .kn-nav-actions { display: none; }
    .kn-hamburger { display: flex; }
    .kn-mobile-nav { display: block; }

    /* Hero */
    .kn-hero { padding: 60px 0 80px; text-align: center; }
    .kn-hero-inner { margin: 0 auto; }
    .kn-hero-subtitle { margin: 0 auto 32px; }
    .kn-hero-cta { justify-content: center; }

    /* Stats bar */
    .kn-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .kn-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
    .kn-stat-item:nth-child(2n) { border-right: none; }

    /* Cards */
    .kn-feature-grid { grid-template-columns: 1fr; }
    .kn-format-grid  { grid-template-columns: repeat(2, 1fr); }
    .kn-discount-grid { grid-template-columns: 1fr; }
    .kn-stats-cards  { grid-template-columns: 1fr; }

    /* Form */
    .kn-form-row { grid-template-columns: 1fr; }
    .kn-form-card-body { padding: 24px; }
    .kn-form-card-header { padding: 24px; }

    /* Wizard */
    .kn-wizard-steps { flex-wrap: wrap; gap: 8px; }
    .kn-wizard-connector { width: 30px; }

    /* Table */
    .kn-table thead { display: none; }
    .kn-table tbody tr {
        display: block;
        padding: 12px;
        border-bottom: 8px solid var(--kn-gray-100);
    }
    .kn-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 8px;
        font-size: 0.875rem;
    }
    .kn-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--kn-navy);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    /* Dashboard */
    .kn-dashboard-header { flex-direction: column; align-items: flex-start; }

    /* Steps */
    .kn-steps { grid-template-columns: 1fr 1fr; gap: 24px; }

    /* Footer */
    .kn-footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .kn-footer-bottom { flex-direction: column; text-align: center; }

    /* Result */
    .kn-result-card { padding: 36px 24px; }
}

@media (max-width: 480px) {
    .kn-hero-title { font-size: 2rem; }
    .kn-format-grid { grid-template-columns: 1fr; }
    .kn-steps { grid-template-columns: 1fr; }
    .kn-btn-xl { padding: 16px 32px; font-size: 1rem; }
    .kn-stats-grid { grid-template-columns: 1fr; }
    .kn-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
}

/* Print */
@media print {
    .kn-header, .kn-footer, .kn-nav, .kn-btn { display: none !important; }
    .kn-main { padding-top: 0; }
    body { color: #000; }
}