/* ==========================================================================
   Flowa Hub Portal Premium Style Sheet
   ========================================================================== */

/* 1. Design Tokens & CSS Variables */
:root {
    /* Fonts */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-accent: 'Outfit', sans-serif;

    /* Color Palette - Light Mode Default */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-modal: rgba(255, 255, 255, 0.9);
    --border-color: rgba(226, 232, 240, 0.8);
    --border-card: rgba(255, 255, 255, 0.5);
    
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-glow: rgba(37, 99, 235, 0.15);
    
    --accent-blue: #0284c7;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-navy: #0f172a;
    
    /* System Colors */
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;

    /* Theme Gradients */
    --grad-navy: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --grad-blue: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --grad-green: linear-gradient(135deg, #34d399 0%, #059669 100%);
    --grad-purple: linear-gradient(135deg, #a78bfa 0%, #7c3aed 100%);
    --grad-pink: linear-gradient(135deg, #f472b6 0%, #db2777 100%);
    
    --grad-hero: linear-gradient(120deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
    --grad-text: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);

    /* Blur & Shadow Effects */
    --blur-glass: 16px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
    
    /* Layout & Spacing */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark Mode Variables Override */
body.dark-mode {
    --bg-primary: #0a0f1d;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.6);
    --bg-modal: rgba(17, 24, 39, 0.95);
    --border-color: rgba(31, 41, 55, 0.8);
    --border-card: rgba(255, 255, 255, 0.07);
    
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-glow: rgba(59, 130, 246, 0.35);
    
    --grad-hero: linear-gradient(120deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%);
    --grad-text: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
    --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.25);
}

/* 2. Global Resets & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    outline: none;
}

/* Decorative Background Glows */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.45;
    transition: opacity var(--transition-smooth), background var(--transition-smooth);
}

.bg-glow-1 {
    top: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, rgba(96,165,250,0.1) 70%);
}

.bg-glow-2 {
    bottom: -100px;
    left: -200px;
    background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, rgba(236,72,153,0.05) 70%);
}

body.dark-mode .bg-glow-1 {
    background: radial-gradient(circle, rgba(29,78,216,0.3) 0%, rgba(30,58,138,0) 70%);
    opacity: 0.3;
}

body.dark-mode .bg-glow-2 {
    background: radial-gradient(circle, rgba(109,40,217,0.2) 0%, rgba(88,28,135,0) 70%);
    opacity: 0.2;
}

/* 3. Navigation Bar styling */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 76px;
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

body.dark-mode .navbar {
    background-color: rgba(10, 15, 29, 0.75);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: 28px;
    letter-spacing: -1.5px;
    color: var(--text-main);
    transition: transform var(--transition-bounce);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo-accent {
    color: var(--primary-color);
}

.logo-sub {
    font-weight: 300;
    opacity: 0.8;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: var(--bg-secondary);
    color: var(--text-main);
    transition: border-color var(--transition-smooth), transform var(--transition-bounce), background-color var(--transition-smooth);
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    transform: scale(1.08);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

body.dark-mode .theme-toggle .sun-icon {
    display: none;
}

body.dark-mode .theme-toggle .moon-icon {
    display: block;
}

/* Button: Add Card */
.btn-add-card {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast), transform var(--transition-bounce), box-shadow var(--transition-fast);
}

.btn-add-card:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-add-card:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 18px;
    font-weight: 700;
}

/* 4. Hero Section */
.hero-section {
    padding: 60px 0 40px 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--primary-glow);
    color: var(--primary-color);
    border-radius: var(--border-radius-xl);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    animation: fadeInDown 0.8s var(--transition-bounce);
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -1.5px;
    color: var(--text-main);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s var(--transition-bounce);
}

.text-gradient {
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    animation: fadeInUp 1s var(--transition-bounce);
}

/* 5. Controls & Filter Section */
.control-section {
    padding: 20px 0;
    margin-bottom: 20px;
}

.controls-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    background-color: var(--bg-card);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
    padding: 16px 24px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
}

.category-tabs::-webkit-scrollbar {
    height: 4px;
}

.category-tabs::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.tab-btn {
    background: none;
    border: 1px solid transparent;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 14px;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-main);
    background-color: rgba(37, 99, 235, 0.05);
}

.tab-btn.active {
    background-color: var(--primary-glow);
    color: var(--primary-color);
    font-weight: 600;
    border-color: rgba(37, 99, 235, 0.2);
}

/* Search Box */
.search-box {
    position: relative;
    width: 320px;
}

@media (max-width: 768px) {
    .search-box {
        width: 100%;
    }
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-main);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

/* 6. Cards Grid Layout (4 columns design) */
.grid-section {
    padding: 20px 0 60px 0;
    flex-grow: 1;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    transition: all var(--transition-smooth);
}

@media (max-width: 1200px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Styling - Elegant Glassmorphic Cards */
.card-item {
    background-color: var(--bg-card);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 360px; /* 고정 높이로 그리드 균형 유지 */
    transition: transform var(--transition-bounce), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    position: relative;
}

.card-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--primary-color);
}

/* Card Header Gradient cover */
.card-cover {
    height: 80px;
    width: 100%;
    position: relative;
    background: var(--grad-navy);
}

/* Cover gradients based on selected theme */
.card-cover.theme-navy { background: var(--grad-navy); }
.card-cover.theme-blue { background: var(--grad-blue); }
.card-cover.theme-green { background: var(--grad-green); }
.card-cover.theme-purple { background: var(--grad-purple); }
.card-cover.theme-pink { background: var(--grad-pink); }

/* Card Settings Actions Menu */
.card-actions-menu {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 5;
}

.card-item:hover .card-actions-menu {
    opacity: 1;
    transform: translateY(0);
}

.btn-card-action {
    background-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #ffffff;
    transition: background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.btn-card-action:hover {
    transform: scale(1.1);
}

.btn-card-edit:hover {
    background-color: #ffffff;
    color: var(--primary-color);
}

.btn-card-delete:hover {
    background-color: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

.btn-card-action svg {
    width: 14px;
    height: 14px;
}

/* Card Icon Badge floating on cover border */
.card-icon-wrapper {
    position: absolute;
    bottom: -24px;
    left: 20px;
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-md);
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-bounce), background-color var(--transition-smooth);
}

.card-item:hover .card-icon-wrapper {
    transform: scale(1.08) rotate(5deg);
}

.card-icon-visual {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card Body Content */
.card-body {
    padding: 40px 20px 20px 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-badge {
    align-self: flex-start;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.2px;
    text-transform: uppercase;
}

/* Badge category colors */
.badge-b2b { background-color: rgba(15, 23, 42, 0.1); color: var(--accent-navy); }
.badge-retail { background-color: rgba(37, 99, 235, 0.1); color: var(--primary-color); }
.badge-store { background-color: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.badge-sns { background-color: rgba(236, 72, 153, 0.1); color: var(--accent-pink); }

body.dark-mode .badge-b2b { background-color: rgba(241, 245, 249, 0.15); color: #ffffff; }
body.dark-mode .badge-retail { background-color: rgba(59, 130, 246, 0.2); color: #93c5fd; }
body.dark-mode .badge-store { background-color: rgba(16, 185, 129, 0.2); color: #34d399; }
body.dark-mode .badge-sns { background-color: rgba(236, 72, 153, 0.2); color: #f472b6; }

.card-title {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-main);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-description {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

/* Card Button CTA */
.btn-card-cta {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-secondary);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-card-cta:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.btn-card-cta:hover svg {
    transform: translateX(4px);
}

.btn-card-cta svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

/* No Results Section Styling */
.no-results {
    text-align: center;
    padding: 80px 0;
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
}

.no-results-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.no-results h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.no-results p {
    color: var(--text-muted);
    font-size: 14px;
}

/* 7. Modal Styling */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 15, 29, 0.4);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-modal);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-bounce);
}

.modal-backdrop.open .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 24px 28px 16px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.close-modal-btn {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-modal-btn:hover {
    color: var(--text-main);
}

.modal-body {
    padding: 24px 28px 28px 28px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
}

.required {
    color: var(--error);
    margin-left: 2px;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 11px 14px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-main);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-tip {
    font-size: 11px;
    color: var(--text-muted);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

.btn-cancel {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 11px 20px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-cancel:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-main);
}

body.dark-mode .btn-cancel:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-submit {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 11px 24px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-submit:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-glow);
}

/* 8. Toast Notifications styling */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
}

.toast {
    background-color: var(--bg-modal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    transform: translateY(20px);
    opacity: 0;
    animation: slideInUp 0.3s forwards var(--transition-bounce);
    transition: opacity 0.3s, transform 0.3s;
}

.toast.removing {
    opacity: 0;
    transform: translateY(-10px) scale(0.9);
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--error); }
.toast-info { border-left: 4px solid var(--primary-color); }

.toast-icon { font-size: 18px; }
.toast-message { font-size: 13px; font-weight: 500; }

/* 9. Footer Styling */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 30px 0;
    margin-top: auto;
    font-size: 13px;
    color: var(--text-muted);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -1px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.footer-tagline {
    font-size: 14px;
    line-height: 1.5;
}

.footer-legal {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-width: 800px;
}

.footer-legal p {
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copy {
    opacity: 0.8;
}

/* 10. Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Passcode Verification Screen Styling
   ========================================================================== */
.passcode-content {
    max-width: 380px;
    border-radius: var(--border-radius-lg);
}

.passcode-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 24px 35px 24px;
}

.lock-icon-container {
    background-color: var(--primary-glow);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: transform var(--transition-bounce), background-color var(--transition-smooth);
}

.lock-icon {
    font-size: 32px;
    line-height: 1;
}

/* Open Lock State Animation */
.lock-icon-container.unlocked {
    background-color: rgba(16, 185, 129, 0.15);
    transform: scale(1.1);
}

.passcode-instructions {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 25px;
    font-weight: 500;
}

/* Dots display */
.passcode-dots {
    display: flex;
    gap: 12px;
    margin-bottom: 35px;
    height: 16px;
    align-items: center;
}

.passcode-dots .dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background-color: transparent;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-bounce);
}

.passcode-dots .dot.filled {
    background: var(--grad-blue);
    border-color: var(--primary-color);
    transform: scale(1.2);
    box-shadow: 0 0 8px var(--primary-glow);
}

.passcode-dots .dot.error {
    background-color: var(--error) !important;
    border-color: var(--error) !important;
    transform: scale(1.1);
}

.passcode-dots.shake {
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-10px); }
    40%, 80% { transform: translateX(10px); }
}

/* Keypad Grid */
.keypad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.keypad-grid .key-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 68px;
    height: 68px;
    border-radius: 50%;
    font-size: 24px;
    font-weight: 600;
    font-family: var(--font-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.keypad-grid .key-btn:hover {
    background-color: var(--primary-glow);
    border-color: var(--primary-color);
    transform: scale(1.08);
}

.keypad-grid .key-btn:active {
    transform: scale(0.95);
    background-color: rgba(37, 99, 235, 0.2);
}

/* Action key modifiers (초기화, 백스페이스) */
.keypad-grid .key-btn.action-key {
    background-color: transparent;
    border-color: transparent;
    box-shadow: none;
    color: var(--text-muted);
}

.keypad-grid .key-btn.action-key:hover {
    color: var(--text-main);
    background-color: rgba(0, 0, 0, 0.05);
    border-color: var(--border-color);
}

body.dark-mode .keypad-grid .key-btn.action-key:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.keypad-grid .key-btn.text-key {
    font-size: 13px;
    font-weight: 500;
}