:root {
    --primary-gold: #D4A843;
    --primary-gold-dark: #b88a2d;
    --primary-gold-light: #fbe69e;
    --bg-dark: #0f1219;
    --bg-card: #181d28;
    --border-color: #2b3548;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent: #E5C158;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    padding-bottom: 60px;
    background-image: 
        radial-gradient(at 0% 0%, rgba(212, 168, 67, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(212, 168, 67, 0.03) 0px, transparent 50%);
    background-attachment: fixed;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.app-header {
    position: relative;
    padding: 30px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.header-glow {
    position: absolute;
    top: -50%;
    left: -10%;
    width: 40%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.1) 0%, rgba(0,0,0,0) 70%);
    transform: rotate(30deg);
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: rgba(212, 168, 67, 0.1);
    border: 1px solid var(--primary-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(212, 168, 67, 0.2);
}

.logo-area h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #FFF 30%, var(--primary-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-area .subtitle {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.header-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 10px;
    text-align: center;
    min-width: 100px;
}

.stat-number {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-gold);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sections / Steps */
.step-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.step-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gold);
    color: var(--bg-dark);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    box-shadow: 0 0 15px rgba(212, 168, 67, 0.4);
}

.step-header h2 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.step-actions {
    margin-left: auto;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    background: rgba(255, 255, 255, 0.01);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-gold);
    background: rgba(212, 168, 67, 0.03);
}

.upload-icon {
    color: var(--primary-gold);
    margin-bottom: 15px;
    transition: transform 0.2s ease;
}

.upload-area:hover .upload-icon {
    transform: translateY(-5px);
}

.upload-text {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.upload-subtext {
    font-size: 13px;
    color: var(--text-muted);
}

/* Divider & Manual Input */
.divider-or {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 25px 0;
    color: var(--text-muted);
    font-size: 14px;
}

.divider-or::before, .divider-or::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider-or:not(:empty)::before {
    margin-right: 15px;
}

.divider-or:not(:empty)::after {
    margin-left: 15px;
}

.manual-input-area {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

textarea {
    width: 100%;
    height: 120px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 15px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 10px rgba(212, 168, 67, 0.15);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(212, 168, 67, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 168, 67, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--text-muted);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-gold);
}

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

/* Settings Grid */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.settings-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.settings-panel h3, .preview-panel h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-gold-light);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 5px;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.setting-group label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.range-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
}

.range-wrapper input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

.range-wrapper input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-gold);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(212, 168, 67, 0.5);
    transition: transform 0.1s ease;
}

.range-wrapper input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-value {
    font-size: 13px;
    font-weight: 600;
    min-width: 45px;
    text-align: right;
    color: var(--primary-gold-light);
}

.color-picker-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.preset-colors {
    display: flex;
    gap: 8px;
}

.color-preset {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.color-preset:hover {
    transform: scale(1.15);
}

.color-preset.active {
    border-color: var(--text-main);
}

.color-preset[data-color="#1a1a1a"] { background-color: #1a1a1a; }
.color-preset[data-color="#FFFFFF"] { background-color: #FFFFFF; border: 1px solid var(--border-color); }
.color-preset[data-color="#D4A843"] { background-color: #D4A843; }
.color-preset[data-color="#735625"] { background-color: #735625; }
.color-preset[data-color="#8B0000"] { background-color: #8B0000; }
.color-preset[data-color="#1B3A5C"] { background-color: #1B3A5C; }

select {
    width: 100%;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

select:focus {
    border-color: var(--primary-gold);
}

select option {
    background: var(--bg-card);
    color: var(--text-main);
}

.style-toggles {
    display: flex;
    gap: 10px;
}

.style-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
}

.style-btn:hover {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-main);
}

.style-btn.active {
    background: rgba(212, 168, 67, 0.15);
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

/* Preview Panel */
.preview-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-container {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1 / 1.414; /* Standard vertical card aspect ratio */
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    margin: 15px 0;
}

#previewCanvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.preview-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 5px;
}

.preview-counter {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
}

/* Guest List */
.guest-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 8px;
    margin-top: 15px;
}

.guest-list::-webkit-scrollbar {
    width: 6px;
}

.guest-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.01);
    border-radius: 3px;
}

.guest-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.guest-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-gold);
}

.guest-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.guest-card:hover {
    border-color: rgba(212, 168, 67, 0.4);
    background: rgba(212, 168, 67, 0.02);
}

.guest-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.guest-name {
    font-weight: 600;
    font-size: 14px;
}

.guest-title {
    font-size: 12px;
    color: var(--text-muted);
}

.guest-actions {
    display: flex;
    gap: 8px;
}

.btn-card-action {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-card-action:hover {
    color: var(--primary-gold);
    background: rgba(212, 168, 67, 0.1);
}

.btn-card-action.delete:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Progress bar style */
.progress-container {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-gold) 0%, var(--accent) 100%);
    width: 0%;
    border-radius: 4px;
    transition: width 0.1s linear;
}