:root {
    --primary-color: #0f766e;
    --secondary-color: #f97316;
    --accent-color: #facc15;
    --background-color: #fff7ed;
    --background-accent: #ffe9cc;
    --surface-color: rgba(255, 255, 255, 0.92);
    --surface-muted: #ffeede;
    --text-primary: #1f2933;
    --text-secondary: #5f6b6a;
    --border-color: rgba(15, 118, 110, 0.2);
    --dot-color: rgba(15, 118, 110, 0.15);
    --shadow-light: 0 10px 20px rgba(15, 23, 42, 0.08);
    --shadow-medium: 0 24px 50px rgba(15, 23, 42, 0.18);
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.4);
    --border-radius: 16px;
    --transition: all 0.25s ease;
    --font-body: "Verdana", "Trebuchet MS", sans-serif;
    --font-display: "Franklin Gothic Medium", "Trebuchet MS", sans-serif;
}

[data-theme="dark"] {
    --primary-color: #2dd4bf;
    --secondary-color: #fb923c;
    --accent-color: #fbbf24;
    --background-color: #0f172a;
    --background-accent: #1e293b;
    --surface-color: rgba(15, 23, 42, 0.88);
    --surface-muted: #132235;
    --text-primary: #f8fafc;
    --text-secondary: #b0beca;
    --border-color: rgba(148, 163, 184, 0.2);
    --dot-color: rgba(148, 163, 184, 0.18);
    --shadow-light: 0 10px 24px rgba(0, 0, 0, 0.4);
    --shadow-medium: 0 28px 60px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(148, 163, 184, 0.15);
}

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

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--background-color), var(--background-accent) 60%, var(--background-color) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

body::before {
    background: radial-gradient(circle at 12% 15%, rgba(15, 118, 110, 0.18), transparent 45%),
        radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.2), transparent 40%),
        radial-gradient(circle at 75% 80%, rgba(250, 204, 21, 0.15), transparent 45%);
}

body::after {
    background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.2;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 20px 40px;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    animation: floatIn 0.6s ease;
}

header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

header .icon {
    font-size: 2.8rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.status-banner {
    margin-bottom: 1.5rem;
    padding: 0.8rem 1rem;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    text-align: center;
}

.status-banner[hidden] {
    display: none;
}

.status-banner[data-status="success"] {
    background: rgba(16, 185, 129, 0.18);
    border-color: rgba(16, 185, 129, 0.4);
    color: #10b981;
}

.status-banner[data-status="warning"] {
    background: rgba(249, 115, 22, 0.16);
    border-color: rgba(249, 115, 22, 0.4);
    color: #fb923c;
}

.status-banner[data-status="error"] {
    background: rgba(239, 68, 68, 0.16);
    border-color: rgba(239, 68, 68, 0.4);
    color: #ef4444;
}

.status-banner[data-status="info"] {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.4);
    color: #3b82f6;
}

.utility-bar {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    background: var(--surface-color);
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin-bottom: 1.5rem;
}

.seed-control label {
    font-weight: 600;
}

.seed-field {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    margin-top: 0.5rem;
}

.seed-field input {
    flex: 1;
}

.seed-hint {
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    justify-content: center;
    color: var(--text-secondary);
}

.mode-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--surface-color);
    padding: 0.5rem;
    border-radius: 999px;
    box-shadow: var(--shadow-light);
}

.mode-btn {
    flex: 1;
    padding: 0.7rem 1rem;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.mode-btn:hover {
    color: var(--text-primary);
    background: rgba(15, 118, 110, 0.12);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.15);
}

.mode-btn.active {
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-light);
}

.mode-icon {
    font-size: 1.1em;
    line-height: 1;
}

.mode-content {
    display: none;
}

.mode-content.active {
    display: block;
    animation: riseIn 0.4s ease;
}

.input-section {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-light);
}

.input-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

textarea, input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 1rem;
    background: var(--surface-muted);
    color: var(--text-primary);
    transition: var(--transition);
    font-family: inherit;
}

textarea:focus, input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.2);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.wheel-controls, .list-controls, .number-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.button-row {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.list-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-weight: 600;
}

.control-group input[type="number"] {
    max-width: 140px;
}

.inline-options {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    color: var(--text-secondary);
}

.inline-option {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--primary-color);
}

.wheel-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-light);
    position: relative;
    perspective: 600px;
}

#wheel-canvas {
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    max-width: 100%;
    height: auto;
    background: var(--card-bg, #fff);
    transform: rotateX(8deg);
    transition: transform 0.3s ease;
}

#wheel-canvas:hover {
    transform: rotateX(2deg);
}

.wheel-pointer {
    position: absolute;
    top: 2rem;
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 30px solid var(--secondary-color);
    border-bottom: none;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
}

.primary-btn, .secondary-btn, .spin-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.primary-btn {
    background: var(--primary-color);
    color: white;
}

.primary-btn:hover {
    background: #0b5b56;
    transform: translateY(-2px);
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.spin-btn {
    background: var(--secondary-color);
    color: white;
    font-size: 1.2rem;
    padding: 1rem 2.4rem;
    animation: pulse 2s infinite;
    box-shadow: var(--shadow-medium);
}

.spin-btn:hover {
    background: #ea580c;
    transform: scale(1.03);
}

.spin-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    animation: none;
    transform: none;
}

.result-section {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-light);
    text-align: center;
    border: 1.5px solid var(--glass-border);
}

.result-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.result-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--surface-muted);
    border-radius: var(--border-radius);
    animation: fadeInUp 0.5s ease, resultPulse 1.5s ease 0.5s;
}

.result-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.result-item {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 600;
    animation: bounceIn 0.5s ease;
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.number-item {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
    animation: flipIn 0.5s ease;
}

.history-section {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.history-section h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.history-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes flipIn {
    from {
        transform: rotateY(-90deg);
        opacity: 0;
    }
    to {
        transform: rotateY(0);
        opacity: 1;
    }
}

@keyframes resultPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); box-shadow: 0 0 16px rgba(15, 118, 110, 0.25); }
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Weight hint */
.weight-hint {
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

/* Team grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.team-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1.5px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: left;
    animation: bounceIn 0.5s ease;
}

.team-card-header {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.team-card-header .team-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.team-card-member {
    padding: 0.3rem 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.team-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Confetti canvas */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* History item icons */
.history-item {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

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

.history-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .mode-selector {
        flex-direction: column;
    }

    .wheel-controls, .list-controls, .number-controls, .team-controls {
        flex-direction: column;
    }

    .control-group {
        min-width: auto;
    }

    #wheel-canvas {
        width: min(250px, 70vw);
        height: min(250px, 70vw);
    }

    .wheel-container {
        padding: 1rem;
    }

    .seed-field {
        flex-direction: column;
        align-items: stretch;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header h1 {
        flex-direction: column;
        gap: 0.25rem;
    }

    .mode-btn {
        font-size: 0.9rem;
        padding: 0.6rem;
    }

    #wheel-canvas {
        width: min(200px, 65vw);
        height: min(200px, 65vw);
    }
}