/* ===================================
   WHEEL OF NAMES - MODERN SAAS STYLES
   =================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #e0e7ff;
    --color-secondary: #64748b;
    --color-secondary-hover: #475569;
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Backgrounds */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #f1f5f9;
    --bg-input-focus: #ffffff;

    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Borders */
    --border-color: #e2e8f0;
    --border-focus: #6366f1;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-max-width: 1100px;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* App Container */
.app-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===================================
   HEADER STYLES
   =================================== */
.header {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.logo-icon {
    font-size: 2.5rem;
    animation: spin-gentle 8s linear infinite;
}

@keyframes spin-gentle {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.logo h1 {
    font-size: 2.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.sub-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===================================
   MAIN CONTENT
   =================================== */
.main-content {
    flex: 1;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* ===================================
   CARD STYLES
   =================================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* ===================================
   INPUT SECTION
   =================================== */
.input-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.section-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.names-textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    resize: vertical;
    transition: all var(--transition-fast);
}

.names-textarea::placeholder {
    color: var(--text-muted);
}

.names-textarea:focus {
    outline: none;
    background: var(--bg-input-focus);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.names-textarea:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: var(--border-color);
}

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

.name-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

#nameCount {
    color: var(--color-primary);
    font-weight: 600;
}

.total-count {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.input-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===================================
   BUTTON STYLES
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
    color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, #7c3aed 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
    color: var(--text-inverse);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8125rem;
}

.btn-large {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-icon {
    font-size: 1.25em;
}

/* ===================================
   WHEEL SECTION
   =================================== */
.wheel-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.wheel-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wheel-pointer {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 35px solid var(--color-primary);
    z-index: 10;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

#wheelCanvas {
    border-radius: 50%;
    box-shadow: var(--shadow-xl), 0 0 0 8px var(--bg-card), 0 0 0 12px var(--border-color);
}

.wheel-status {
    text-align: center;
}

.status-text {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.status-text.spinning {
    color: var(--color-primary);
    animation: pulse 0.5s ease-in-out infinite;
}

.status-text.complete {
    color: var(--color-success);
    font-weight: 600;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===================================
   RESULTS SECTION
   =================================== */
.results-section {
    margin-top: var(--spacing-lg);
}

.results-header {
    margin-bottom: var(--spacing-lg);
}

.results-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.results-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.result-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.result-card:hover {
    box-shadow: var(--shadow-lg);
}

.card-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* Winner Card */
.winner-card {
    text-align: center;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #fcd34d;
}

.winner-card.active {
    animation: winner-glow 1s ease-out;
}

@keyframes winner-glow {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

.winner-display {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.winner-placeholder {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.winner-message {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-height: 1.5em;
}

/* Stats Card */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Selected Names Card */
.selected-card {
    background: linear-gradient(135deg, var(--color-success-light) 0%, #a7f3d0 100%);
    border-color: #6ee7b7;
}

.selected-list {
    list-style: none;
    max-height: 150px;
    overflow-y: auto;
}

.selected-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.selected-list li:first-child:not(.history-placeholder) {
    background: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    border: 1px solid var(--color-success);
}

.history-placeholder {
    color: var(--text-muted);
    font-style: italic;
    background: transparent !important;
}

.history-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--color-success);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 600;
    flex-shrink: 0;
}

/* Completion Banner */
.completion-banner {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #fbbf24 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    text-align: center;
    animation: celebrateIn 0.5s ease-out;
    box-shadow: var(--shadow-lg);
}

@keyframes celebrateIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.completion-icon {
    font-size: 3rem;
    animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.completion-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.completion-text p {
    color: var(--text-secondary);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--spacing-2xl);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 900px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

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

    .wheel-section {
        order: -1;
    }

    #wheelCanvas {
        width: 300px;
        height: 300px;
    }

    .completion-banner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: var(--spacing-md);
    }

    .header {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .logo h1 {
        font-size: 1.75rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .card {
        padding: var(--spacing-lg);
    }

    #wheelCanvas {
        width: 260px;
        height: 260px;
    }

    .winner-display {
        font-size: 1.5rem;
    }

    .input-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .input-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

.fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100%) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    pointer-events: none;
    animation: confetti-fall 3s ease-out forwards;
    z-index: 1000;
}

/* ===================================
   SEO CONTENT SECTION
   =================================== */
.seo-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.seo-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

.seo-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
}

.seo-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.seo-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.seo-section {
    margin-bottom: var(--spacing-2xl);
}

.seo-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
    display: inline-block;
}

.seo-section>p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.seo-subsection {
    margin: var(--spacing-xl) 0;
    padding-left: var(--spacing-lg);
    border-left: 4px solid var(--color-primary-light);
}

.seo-subsection h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.seo-subsection p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.seo-subsection p:last-child {
    margin-bottom: 0;
}

/* SEO Lists */
.seo-list {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.seo-list li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.seo-list.numbered {
    list-style: decimal;
    padding-left: var(--spacing-xl);
}

.seo-list.numbered li {
    padding-left: var(--spacing-sm);
}

.seo-list:not(.numbered) li::marker {
    color: var(--color-primary);
    font-weight: bold;
}

.seo-list li strong {
    color: var(--text-primary);
}

/* Comparison Cards */
.comparison-card {
    background: var(--bg-input);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.comparison-card:hover {
    box-shadow: var(--shadow-md);
}

.comparison-card.featured {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #f0f9ff 100%);
    border-color: var(--color-primary);
}

.comparison-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.comparison-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.comparison-card .seo-list {
    margin-top: var(--spacing-sm);
}

/* FAQ Section */
.faq-section {
    background: var(--bg-input);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.faq-section h2 {
    text-align: center;
    display: block;
    border-bottom: none;
    margin-bottom: var(--spacing-xl);
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

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

.faq-item h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.faq-item h3::before {
    content: "❓";
    font-size: 1rem;
}

.faq-item p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

.faq-item .seo-list {
    margin: var(--spacing-sm) 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #fbbf24 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.cta-section h2 {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
    text-align: center;
    display: block;
}

.cta-section p {
    text-align: left;
}

.cta-section .cta-text {
    text-align: center;
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
}

/* SEO Callout */
.seo-callout {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #c7d2fe 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    text-align: center;
    border-left: 4px solid var(--color-primary);
}

.seo-callout p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
}

/* ===================================
   SEO CONTENT RESPONSIVE DESIGN
   =================================== */
@media (max-width: 900px) {
    .seo-container {
        padding: var(--spacing-xl);
    }

    .seo-header h2 {
        font-size: 1.75rem;
    }

    .seo-section h2 {
        font-size: 1.375rem;
    }

    .seo-subsection h3 {
        font-size: 1.125rem;
    }
}

@media (max-width: 600px) {
    .seo-content {
        border-radius: var(--radius-md);
        margin-top: var(--spacing-xl);
    }

    .seo-container {
        padding: var(--spacing-lg);
    }

    .seo-header {
        padding-bottom: var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }

    .seo-header h2 {
        font-size: 1.5rem;
    }

    .seo-intro {
        font-size: 1rem;
    }

    .seo-section h2 {
        font-size: 1.25rem;
    }

    .seo-subsection {
        padding-left: var(--spacing-md);
        margin: var(--spacing-lg) 0;
    }

    .seo-subsection h3 {
        font-size: 1.0625rem;
    }

    .seo-subsection p,
    .seo-section>p,
    .seo-list li {
        font-size: 0.9375rem;
        line-height: 1.75;
    }

    .comparison-card,
    .faq-item {
        padding: var(--spacing-md);
    }

    .faq-section {
        padding: var(--spacing-lg);
    }

    .faq-item h3 {
        font-size: 1rem;
    }

    .faq-item h3::before {
        font-size: 0.875rem;
    }

    .cta-section {
        padding: var(--spacing-lg);
    }

    .cta-section .cta-text {
        font-size: 1rem;
    }

    .seo-callout {
        padding: var(--spacing-lg);
    }

    .seo-list {
        padding-left: var(--spacing-lg);
    }
}