:root {
    /* Color Palette - Premium Pink & White */
    --primary-color: #ff758f;
    --primary-hover: #ff4d6d;
    --primary-light: #ffb3c1;
    
    /* Background gradients */
    --bg-gradient-pink: linear-gradient(135deg, #fff0f3 0%, #ffccd5 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-blur: 20px;
    
    /* Text Colors */
    --text-main: #2b2d42;
    --text-muted: #8d99ae;
    
    /* Option Colors (Softened for premium feel) */
    --color-support: #38b000;
    --color-support-bg: #e5f9e0;
    
    --color-accept: #0077b6;
    --color-accept-bg: #e0fbfc;
    
    --color-reject: #e85d04;
    --color-reject-bg: #ffe6d9;
    
    --color-ban: #d00000;
    --color-ban-bg: #ffe3e0;

    /* Shadows - Layered & Soft */
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05), 0 4px 10px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 40px rgba(255, 117, 143, 0.15), 0 8px 16px rgba(0, 0, 0, 0.04);
    
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-gradient-pink);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 30px 15px;
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
}

/* Add a subtle background glowing orb animation for premium feel */
body::before, body::after {
    content: '';
    position: fixed;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    animation: floatingOrb 20s infinite ease-in-out alternate;
    opacity: 0.6;
}

body::before {
    top: -10vw;
    left: -10vw;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,230,235,0) 70%);
}

body::after {
    bottom: -10vw;
    right: -10vw;
    background: radial-gradient(circle, rgba(255,204,213,0.8) 0%, rgba(255,179,193,0) 70%);
    animation-delay: -10s;
}

@keyframes floatingOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

.app-container {
    width: 100%;
    max-width: 650px;
    position: relative;
    z-index: 1;
}

/* Views with smoother transitions */
.view {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
}

.view.active {
    display: block;
    animation: viewEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Glassmorphism Components */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px 30px;
    overflow: hidden;
    position: relative;
}

/* Subtle inner shine for glass effect */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}

/* Welcome View */
.hero-icon {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.main-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-main);
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.main-title .highlight {
    color: var(--primary-color);
}

.message-box {
    background: rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.8);
    padding: 25px;
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    font-size: 0.95rem;
    color: #4a4e69;
    box-shadow: var(--shadow-sm);
}

.message-box p {
    margin-bottom: 15px;
}
.message-box p:last-child { margin-bottom: 0; }

.message-box ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

.message-box li {
    margin-bottom: 10px;
    padding-left: 5px;
}

/* Legend */
.options-legend {
    margin-bottom: 35px;
}

.options-legend h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    padding: 15px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.9);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.legend-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.badge {
    padding: 5px 12px;
    border-radius: 20px;
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    margin-right: 15px;
    white-space: nowrap;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.bg-support .badge { background-color: var(--color-support); }
.bg-support:hover { background-color: var(--color-support-bg); }

.bg-accept .badge { background-color: var(--color-accept); }
.bg-accept:hover { background-color: var(--color-accept-bg); }

.bg-reject .badge { background-color: var(--color-reject); }
.bg-reject:hover { background-color: var(--color-reject-bg); }

.bg-ban .badge { background-color: var(--color-ban); }
.bg-ban:hover { background-color: var(--color-ban-bg); }

/* Buttons */
.btn-primary, .btn-secondary {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 30px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-align: center;
    outline: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 8px 20px rgba(255, 117, 143, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(255, 117, 143, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(255, 117, 143, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.hidden {
    display: none !important;
}

.mt-4 { margin-top: 35px; }

/* Header & Progress */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 25px 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 15px;
    z-index: 10;
    transition: all 0.3s ease;
}

.survey-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
    letter-spacing: -0.3px;
}

.progress-container {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.05);
    height: 6px;
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-color));
    width: 0%;
    border-radius: 10px;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    text-align: right;
}

/* Question Container & Cards */
.questions-container {
    margin-bottom: 30px;
}

.category-group {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.5s ease-out forwards;
}

.category-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.question-item {
    margin-bottom: 35px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: top;
    opacity: 1;
}

.question-item:last-child {
    margin-bottom: 0;
}

.question-item.collapsed {
    opacity: 0;
    max-height: 0;
    margin-bottom: 0;
    padding: 0;
    transform: scaleY(0);
    pointer-events: none;
    overflow: hidden;
}

.question-text {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-main);
    line-height: 1.5;
}

/* Options Wrapper */
.options-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    padding: 15px 20px;
    border: 1.5px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-sm);
    background: #ffffff;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

/* Custom Radio Circle */
.option-btn::after {
    content: '';
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background: #fff;
}

.option-btn:hover {
    transform: translateX(5px);
    border-color: rgba(255, 117, 143, 0.3);
    box-shadow: 0 4px 12px rgba(255, 117, 143, 0.08);
}

/* Selected States */
.option-btn.selected {
    color: #fff;
    transform: translateX(8px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}
.option-btn.selected::after {
    border-width: 6px;
}

.option-btn.selected[data-value="0"] { 
    background-color: var(--color-support); 
    border-color: var(--color-support); 
}
.option-btn.selected[data-value="1"] { 
    background-color: var(--color-accept); 
    border-color: var(--color-accept); 
}
.option-btn.selected[data-value="2"] { 
    background-color: var(--color-reject); 
    border-color: var(--color-reject); 
}
.option-btn.selected[data-value="3"] { 
    background-color: var(--color-ban); 
    border-color: var(--color-ban); 
}


.nav-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.nav-buttons button {
    flex: 1;
}

/* Result View */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    padding: 10px 0;
}

.btn-text:hover {
    color: var(--primary-hover);
    transform: translateX(-4px);
}

.save-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-save {
    padding: 12px 20px;
    width: auto;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
}

.result-card {
    background: #ffffff; /* Solid for image rendering */
    border-radius: var(--radius-lg);
    border: none;
    padding: 50px 40px;
    box-shadow: var(--shadow-lg);
}

.result-header {
    text-align: center;
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 2px solid rgba(0,0,0,0.03);
}

.result-header h2 {
    color: var(--primary-hover);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.result-date {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.result-summary {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 40px;
    background: #fdfdfd;
    border: 1px solid rgba(0,0,0,0.03);
    border-radius: var(--radius-lg);
    padding: 20px 15px;
    box-shadow: var(--shadow-sm);
}

.stat-item {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-item[data-type="0"] .stat-num { color: var(--color-support); }
.stat-item[data-type="1"] .stat-num { color: var(--color-accept); }
.stat-item[data-type="2"] .stat-num { color: var(--color-reject); }
.stat-item[data-type="3"] .stat-num { color: var(--color-ban); }

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-cat {
    margin-bottom: 35px;
}

.result-cat-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 15px;
    background: rgba(255, 117, 143, 0.08);
    color: var(--primary-hover);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 15px 0;
    border-bottom: 1px dashed rgba(0,0,0,0.08);
}

.result-item:last-child {
    border-bottom: none;
}

.result-q {
    flex: 1;
    font-size: 1rem;
    color: var(--text-main);
    padding-right: 20px;
    line-height: 1.5;
}

.result-a {
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 20px;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* Coloring results */
.res-a-0 { background: var(--color-support-bg); color: var(--color-support); }
.res-a-1 { background: var(--color-accept-bg); color: var(--color-accept); }
.res-a-2 { background: var(--color-reject-bg); color: var(--color-reject); }
.res-a-3 { background: var(--color-ban-bg); color: var(--color-ban); }
.res-a-skipped { 
    background: #f1f5f9; 
    color: var(--text-muted); 
    box-shadow: none; 
    font-weight: 500;
}

@media (max-width: 600px) {
    body {
        padding: 15px 10px;
    }

    .glass-card {
        padding: 30px 20px;
    }
    
    .result-card {
        padding: 35px 20px;
    }
    
    .action-bar {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .save-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .save-buttons button {
        width: 100%;
    }
    
    .btn-text {
        text-align: left;
    }

    .main-title {
        font-size: 1.5rem;
    }

    .category-title {
        font-size: 1.25rem;
    }

    .question-text {
        font-size: 1rem;
    }
}

/* Modal Overlay */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.hidden {
    display: none !important;
    opacity: 0;
    visibility: hidden;
}

.modal-content {
    background: #ffffff;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    padding: 25px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-lg);
    animation: modalPop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from { transform: scale(0.95) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.modal-header h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.btn-close {
    background: transparent;
    border: none;
    font-size: 1.8rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
}

.btn-close:hover {
    color: var(--primary-hover);
}

.modal-body {
    flex-grow: 1;
    overflow-y: auto;
    border-radius: var(--radius-sm);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
    background: #f8fafc;
    padding: 10px;
    margin-bottom: 15px;
}

.modal-body img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.modal-hint {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.mt-2 { margin-top: 15px; }