/* ==================== CSS VARIABLES ==================== */
:root {
    /* Primary Colors */
    --color-red-primary: #c62828;
    --color-red-dark: #b71c1c;
    --color-red-light: #e57373;
    --color-red-pink: #f28b8b;

    /* Secondary Colors */
    --color-blue-primary: #1565c0;
    --color-blue-light: #e3f2fd;
    --color-orange: #ff9800;
    --color-orange-dark: #e65100;

    /* Neutrals */
    --color-bg-light: #e3f2fd;
    --color-bg-white: #ffffff;
    --color-bg-gray: #f5f5f5;
    --color-text-dark: #333333;
    --color-text-medium: #666666;
    --color-text-light: #888888;

    /* Gradients */
    --gradient-red-primary: linear-gradient(180deg, #f28b8b 0%, #e57373 50%, #d86a6a 100%);
    --gradient-red-secondary: linear-gradient(180deg, #c94a4a 0%, #b73d3d 50%, #a83232 100%);
    --gradient-red-start: linear-gradient(180deg, #ef5350 0%, #e53935 50%, #d32f2f 100%);
    --gradient-orange: linear-gradient(180deg, #ffb74d 0%, #ffa726 50%, #ff9800 100%);
    --gradient-blue: linear-gradient(135deg, #1565c0 0%, #c62828 100%);

    /* 3D Shadows */
    --shadow-3d-red: 0 6px 0 #6b1a1a;
    --shadow-3d-red-dark: 0 6px 0 #8b0000;
    --shadow-3d-red-light: 0 6px 0 #a73a3a;
    --shadow-3d-orange: 0 4px 0 #e65100;
    --shadow-3d-gray: 0 6px 0 #d0d0d0;

    /* Regular Shadows */
    --shadow-card: 0 6px 0 #d0d0d0, 0 8px 20px rgba(0,0,0,0.1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 6px 15px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-float: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 25px;
    --radius-xl: 30px;
    --radius-pill: 9999px;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-button: 'DynaPuff', cursive;

    /* Spacing */
    --space-xs: 5px;
    --space-sm: 10px;
    --space-md: 15px;
    --space-lg: 20px;
    --space-xl: 30px;
    --space-2xl: 40px;
    --space-3xl: 60px;

    /* Transitions */
    --transition-fast: 0.1s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-dark);
    line-height: 1.6;
    background: var(--color-bg-gray);
    min-height: 100vh;
}

/* ==================== ACCESSIBILITY ==================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==================== PAGE CONTAINER ==================== */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl);
    min-height: 100vh;
}

.page-container.narrow {
    max-width: 600px;
}

.page-container.medium {
    max-width: 900px;
}

.page-container.wide {
    max-width: 1600px;
}

/* ==================== AUTHENTICATED NAVBAR ==================== */
.navbar-auth {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-2xl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-auth .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.navbar-auth .logo-icon {
    height: 80px;
    width: auto;
}

.navbar-auth .logo-text {
    font-family: var(--font-button);
    font-weight: 600;
    font-size: 22px;
    color: var(--color-red-primary);
}

.navbar-auth .nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-sm);
}

.navbar-auth .nav-link {
    text-decoration: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-pill);
    font-family: var(--font-button);
    font-weight: 500;
    font-size: 14px;
    color: var(--color-text-medium);
    transition: var(--transition-normal);
}

.navbar-auth .nav-link:hover {
    background: var(--color-bg-light);
    color: var(--color-blue-primary);
}

.navbar-auth .nav-link.active {
    background: var(--color-blue-light);
    color: var(--color-blue-primary);
}

.navbar-auth .user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.navbar-auth .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-red-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.navbar-auth .user-avatar:hover {
    transform: scale(1.1);
}

.navbar-auth .user-dropdown {
    position: relative;
}

.navbar-auth .dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-sm);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
}

.navbar-auth .user-dropdown:hover .dropdown-menu,
.navbar-auth .user-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-auth .dropdown-item {
    display: block;
    padding: var(--space-md) var(--space-lg);
    color: var(--color-text-dark);
    text-decoration: none;
    transition: var(--transition-fast);
}

.navbar-auth .dropdown-item:hover {
    background: var(--color-bg-light);
}

.navbar-auth .dropdown-item:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.navbar-auth .dropdown-item:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.navbar-auth .dropdown-divider {
    height: 1px;
    background: #eee;
    margin: var(--space-xs) 0;
}

/* ==================== BUTTONS ==================== */
.btn {
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-button);
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-block;
    cursor: pointer;
    border: none;
    user-select: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-red-primary);
    color: white;
    padding: 12px 28px;
    font-size: 22px;
    box-shadow: var(--shadow-3d-red-light), 0 8px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #f5a0a0 0%, #ef8080 50%, #e07575 100%);
}

.btn-primary:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #a73a3a, 0 3px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: var(--gradient-red-secondary);
    color: white;
    padding: 12px 28px;
    font-size: 22px;
    box-shadow: var(--shadow-3d-red), 0 8px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn-secondary:hover {
    background: linear-gradient(180deg, #d45555 0%, #c44848 50%, #b53d3d 100%);
}

.btn-secondary:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #6b1a1a, 0 3px 8px rgba(0, 0, 0, 0.2);
}

.btn-orange {
    background: var(--gradient-orange);
    color: white;
    padding: 10px 24px;
    font-size: 14px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-3d-orange), 0 5px 10px rgba(0, 0, 0, 0.15);
}

.btn-orange:hover {
    background: linear-gradient(180deg, #ffc107 0%, #ffb300 50%, #ffa000 100%);
}

.btn-orange:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #e65100, 0 2px 5px rgba(0, 0, 0, 0.15);
}

.btn-white {
    background: white;
    color: var(--color-text-dark);
    padding: 10px 20px;
    font-size: 14px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-float);
}

.btn-white:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.btn-white:active {
    transform: scale(1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-start {
    background: var(--gradient-red-start);
    color: white;
    padding: 16px 50px;
    font-size: 20px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-3d-red-dark), 0 8px 15px rgba(0, 0, 0, 0.2);
}

.btn-start:hover {
    background: linear-gradient(180deg, #f44336 0%, #ef5350 50%, #e53935 100%);
}

.btn-start:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #8b0000, 0 3px 8px rgba(0, 0, 0, 0.2);
}

/* Button sizes */
.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-md {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* ==================== CARDS ==================== */
.card {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: var(--space-lg);
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
}

.card-flat {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-lg);
}

/* ==================== WIDGET CARD ==================== */
.widget-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.widget-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 3px solid var(--color-blue-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.widget-header.red {
    border-bottom-color: var(--color-red-primary);
}

.widget-header.orange {
    border-bottom-color: var(--color-orange);
}

.widget-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-text-dark);
}

.widget-content {
    padding: var(--space-lg);
}

/* ==================== PERSONA CARD ==================== */
.persona-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition-normal);
    cursor: pointer;
}

.persona-card:hover {
    transform: translateY(-3px);
}

.persona-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-red-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.persona-info {
    flex: 1;
}

.persona-name {
    font-weight: 700;
    font-size: 18px;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}

.persona-relationship {
    font-size: 14px;
    color: var(--color-text-medium);
    margin-bottom: 8px;
}

.persona-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.persona-tag {
    background: var(--color-bg-light);
    color: var(--color-blue-primary);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 500;
}

.persona-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ==================== GIFT CARD ==================== */
.gift-card {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition-normal);
}

.gift-card:hover {
    transform: translateY(-5px);
}

.gift-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--color-bg-light);
}

.gift-content {
    padding: var(--space-md);
}

.gift-price {
    font-weight: 700;
    font-size: 18px;
    color: var(--color-red-primary);
    margin-bottom: 4px;
}

.gift-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
}

.gift-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.gift-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gift-btn.pass {
    background: linear-gradient(180deg, #999 0%, #777 100%);
    color: white;
    box-shadow: 0 4px 0 #444;
}

.gift-btn.pass:hover {
    background: linear-gradient(180deg, #aaa 0%, #888 100%);
}

.gift-btn.pass:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #444;
}

.gift-btn.like {
    background: var(--gradient-red-primary);
    color: white;
    box-shadow: var(--shadow-3d-red-light);
}

.gift-btn.like:hover {
    background: linear-gradient(180deg, #f5a0a0 0%, #ef8080 50%, #e07575 100%);
}

.gift-btn.like:active {
    transform: translateY(3px);
    box-shadow: 0 2px 0 #a73a3a;
}

.gift-liked {
    position: relative;
}

.gift-liked::after {
    content: '❤️';
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    font-size: 24px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* ==================== OCCASION CARD ==================== */
.occasion-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
}

.occasion-card:hover {
    transform: translateY(-5px);
}

.occasion-card.selected {
    border: 3px solid var(--color-red-primary);
    background: #fff5f5;
}

.occasion-icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

.occasion-name {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}

.occasion-date {
    font-size: 13px;
    color: var(--color-text-medium);
    margin-bottom: 4px;
}

.occasion-countdown {
    font-size: 12px;
    color: var(--color-orange);
    font-weight: 600;
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
}

.empty-icon {
    font-size: 80px;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-title {
    font-weight: 700;
    font-size: 24px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-sm);
}

.empty-text {
    font-size: 16px;
    color: var(--color-text-medium);
    margin-bottom: var(--space-xl);
}

/* ==================== FORM ELEMENTS ==================== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid #ddd;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 16px;
    transition: var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-blue-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

.form-input.error {
    border-color: var(--color-red-primary);
}

.form-error {
    color: var(--color-red-primary);
    font-size: 13px;
    margin-top: var(--space-xs);
}

.form-hint {
    color: var(--color-text-light);
    font-size: 13px;
    margin-top: var(--space-xs);
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
    height: 8px;
    background: #eee;
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-red-primary);
    border-radius: var(--radius-pill);
    transition: width 0.3s ease;
}

.progress-fill.blue {
    background: linear-gradient(90deg, var(--color-blue-primary), #42a5f5);
}

.progress-fill.orange {
    background: var(--gradient-orange);
}

/* ==================== QUIZ COMPONENTS ==================== */
.quiz-progress {
    margin-bottom: var(--space-xl);
}

.quiz-progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--color-text-medium);
    margin-bottom: var(--space-sm);
}

.quiz-question {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.quiz-title {
    font-weight: 700;
    font-size: 28px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-sm);
}

.quiz-subtitle {
    font-size: 16px;
    color: var(--color-text-medium);
}

.quiz-options {
    display: grid;
    gap: var(--space-md);
}

.quiz-options.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.quiz-options.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.quiz-options.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.quiz-option {
    background: white;
    border: 3px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.quiz-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.quiz-option.selected {
    border-color: var(--color-red-primary);
    background: #fff5f5;
}

.quiz-option-icon {
    font-size: 40px;
    margin-bottom: var(--space-sm);
}

.quiz-option-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-dark);
}

.quiz-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xl);
}

/* ==================== PILL BUTTONS ==================== */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

.pill-btn {
    background: white;
    border: 2px solid #ddd;
    border-radius: var(--radius-pill);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-button);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.pill-btn:hover {
    border-color: var(--color-red-light);
}

.pill-btn.selected {
    background: var(--color-red-primary);
    border-color: var(--color-red-primary);
    color: white;
}

/* ==================== STICKY FOOTER BAR ==================== */
.sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: var(--space-md) var(--space-xl);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
}

.sticky-footer-text {
    font-weight: 600;
    color: var(--color-text-dark);
}

.sticky-footer-count {
    color: var(--color-red-primary);
}

/* ==================== ANIMATIONS ==================== */
@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.1); }
    28% { transform: scale(1); }
    42% { transform: scale(1.1); }
    70% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-5px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 6px 0 #8b0000, 0 8px 15px rgba(0, 0, 0, 0.2); }
    50% { box-shadow: 0 6px 0 #8b0000, 0 8px 30px rgba(239, 83, 80, 0.5); }
}

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

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

.anim-wiggle:hover {
    animation: wiggle 0.5s ease;
}

.anim-heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

.anim-shake:hover {
    animation: shake 0.5s ease;
}

.anim-glow {
    animation: glow 2s ease-in-out infinite;
}

.anim-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.anim-slide-in {
    animation: slideIn 0.3s ease forwards;
}

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none !important; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .page-container {
        padding: var(--space-xl);
    }

    .quiz-options.grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-container {
        padding: var(--space-lg);
    }

    .navbar-auth {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .navbar-auth .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .quiz-options.grid-2,
    .quiz-options.grid-3,
    .quiz-options.grid-4 {
        grid-template-columns: 1fr;
    }

    .quiz-title {
        font-size: 22px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 18px;
    }
}