/* ===================================================
   CineSportCam Web Score Controller
   Mobile-first responsive stylesheet
   =================================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-primary: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-glow: rgba(37, 99, 235, 0.3);
    --color-success: #22C55E;
    --color-success-dim: rgba(34, 197, 94, 0.15);
    --color-danger: #EF4444;
    --color-danger-dim: rgba(239, 68, 68, 0.15);
    --color-warning: #F59E0B;
    --color-warning-dim: rgba(245, 158, 11, 0.15);

    --color-bg: #0A0A0A;
    --color-bg-card: #141414;
    --color-bg-elevated: #1E1E1E;
    --color-bg-input: #1A1A1A;
    --color-text: #F5F5F5;
    --color-text-secondary: #A1A1AA;
    --color-text-muted: #71717A;
    --color-border: #27272A;
    --color-border-focus: var(--color-primary);

    --color-home: #3B82F6;
    --color-home-bg: rgba(59, 130, 246, 0.1);
    --color-away: #EF4444;
    --color-away-bg: rgba(239, 68, 68, 0.1);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: 150ms ease;

    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

/* --- Light theme --- */
@media (prefers-color-scheme: light) {
    :root {
        --color-bg: #F8FAFC;
        --color-bg-card: #FFFFFF;
        --color-bg-elevated: #F1F5F9;
        --color-bg-input: #F1F5F9;
        --color-text: #0F172A;
        --color-text-secondary: #64748B;
        --color-text-muted: #94A3B8;
        --color-border: #E2E8F0;

        --color-home-bg: rgba(59, 130, 246, 0.08);
        --color-away-bg: rgba(239, 68, 68, 0.08);
    }
}

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

html, body {
    height: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* --- Utilities --- */
.hidden {
    display: none !important;
}

/* ===================================================
   INDEX PAGE (Code Entry)
   =================================================== */

.index-page {
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--safe-area-top) var(--safe-area-right) var(--safe-area-bottom) var(--safe-area-left);
}

.container {
    max-width: 420px;
    width: 100%;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    justify-content: center;
}

.index-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    margin-bottom: 16px;
}

.logo-icon {
    display: inline-block;
}

.index-header h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 15px;
    font-weight: 500;
}

/* Card */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
}

.card h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

/* Session code input */
.input-group {
    margin-bottom: 16px;
}

#session-code {
    width: 100%;
    padding: 18px 16px;
    font-size: 32px;
    text-align: center;
    letter-spacing: 12px;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--color-bg-input);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    caret-color: var(--color-primary);
}

#session-code:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-glow);
}

#session-code::placeholder {
    color: var(--color-text-muted);
    letter-spacing: 12px;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-family);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    min-height: 48px;
    min-width: 48px;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

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

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

.btn-lg {
    width: 100%;
    padding: 16px 24px;
    font-size: 17px;
    border-radius: var(--radius);
}

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

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

.btn-small {
    padding: 6px 14px;
    font-size: 13px;
    min-height: 36px;
}

/* Error banner */
.error-banner {
    background: var(--color-danger-dim);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
}

/* No account message */
.no-account-msg {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 20px;
}

/* Loading spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* Footer */
footer {
    text-align: center;
    padding: 24px 0 8px;
    color: var(--color-text-muted);
    font-size: 12px;
}


/* ===================================================
   SCORER PAGE
   =================================================== */

.scorer-page {
    overflow: hidden;
    position: fixed;
    inset: 0;
}

.scorer-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
}

/* --- Scorer Header --- */
.scorer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.session-info {
    display: flex;
    flex-direction: column;
}

.session-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

.session-code {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 3px;
    font-variant-numeric: tabular-nums;
}

/* Connection status */
.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-warning);
    flex-shrink: 0;
    transition: background-color var(--transition);
}

.connection-status.connected .status-dot {
    background: var(--color-success);
    box-shadow: 0 0 6px var(--color-success);
}

.connection-status.disconnected .status-dot {
    background: var(--color-danger);
}

.connection-status.reconnecting .status-dot {
    background: var(--color-warning);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* --- Set Bar --- */
.set-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 8px 16px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.set-current {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.set-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

.set-number {
    font-size: 24px;
    font-weight: 800;
    line-height: 1;
}

.set-indicators {
    display: flex;
    gap: 6px;
    align-items: center;
}

.set-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    transition: background-color var(--transition);
}

.set-dot.won {
    background: var(--color-warning);
    box-shadow: 0 0 4px rgba(245, 158, 11, 0.4);
}

/* --- Scorer Main (Teams + Scores) --- */
.scorer-main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--color-border);
    min-height: 0;
}

.team-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 12px;
    gap: 8px;
    background: var(--color-bg);
}

.team-home {
    background: var(--color-home-bg);
}

.team-away {
    background: var(--color-away-bg);
}

/* Team name input */
.team-name-input {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    color: var(--color-text);
    width: 100%;
    max-width: 160px;
    padding: 4px 8px;
    font-family: var(--font-family);
    transition: border-color var(--transition);
}

.team-name-input:focus {
    outline: none;
    border-bottom-color: var(--color-primary);
}

/* Serve indicator */
.serve-indicator {
    color: var(--color-border);
    transition: color var(--transition), transform var(--transition);
    height: 16px;
}

.serve-indicator.active {
    color: var(--color-success);
}

/* Score display */
.score-display {
    margin: 4px 0;
}

.score {
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

/* Score buttons */
.score-controls {
    display: flex;
    gap: 8px;
}

.btn-score {
    width: 72px;
    height: 56px;
    font-size: 22px;
    font-weight: 800;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-family);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-score:active {
    transform: scale(0.93);
}

.btn-plus {
    background: var(--color-success);
    color: #FFFFFF;
}

.btn-plus:active {
    background: #16A34A;
}

.btn-minus {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-minus:active {
    background: var(--color-border);
}

/* --- Game Status Banner --- */
.game-status {
    text-align: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.game-status.set-point {
    background: var(--color-warning-dim);
    color: var(--color-warning);
}

.game-status.match-point {
    background: var(--color-danger-dim);
    color: var(--color-danger);
    animation: pulse-bg 1.5s ease-in-out infinite;
}

.game-status.match-won {
    background: var(--color-success-dim);
    color: var(--color-success);
}

@keyframes pulse-bg {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* --- Action Bar --- */
.action-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 10px 12px;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.btn-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 4px;
    min-height: 56px;
    font-size: 11px;
    font-weight: 600;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-family);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-action:active:not(:disabled) {
    transform: scale(0.95);
    background: var(--color-border);
}

.btn-action:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-action svg {
    flex-shrink: 0;
}

/* --- Modals --- */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 340px;
    width: 100%;
    z-index: 1;
}

.modal-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-content p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.modal-actions .btn {
    flex: 1;
}

/* Form elements in modals */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.input-field {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    font-weight: 500;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-family);
    transition: border-color var(--transition);
}

.input-field:focus {
    outline: none;
    border-color: var(--color-primary);
}


/* ===================================================
   RESPONSIVE BREAKPOINTS
   =================================================== */

/* Small phones */
@media (max-width: 360px) {
    .score {
        font-size: 56px;
    }

    .btn-score {
        width: 60px;
        height: 48px;
        font-size: 18px;
    }

    .team-name-input {
        font-size: 12px;
    }

    .action-bar {
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
        padding: 8px;
    }

    .btn-action {
        font-size: 10px;
        padding: 8px 2px;
        min-height: 48px;
    }

    .btn-action svg {
        width: 16px;
        height: 16px;
    }
}

/* Landscape phone */
@media (orientation: landscape) and (max-height: 500px) {
    .scorer-header {
        padding: 6px 16px;
    }

    .set-bar {
        padding: 4px 16px;
    }

    .set-number {
        font-size: 18px;
    }

    .scorer-main {
        gap: 1px;
    }

    .team-section {
        padding: 8px 12px;
        gap: 4px;
    }

    .score {
        font-size: 48px;
    }

    .btn-score {
        width: 56px;
        height: 40px;
        font-size: 18px;
    }

    .action-bar {
        padding: 6px 12px;
        gap: 4px;
    }

    .btn-action {
        min-height: 40px;
        padding: 6px 4px;
        flex-direction: row;
        gap: 4px;
    }
}

/* Tablets and wider screens */
@media (min-width: 768px) {
    .container {
        max-width: 480px;
    }

    #session-code {
        font-size: 40px;
        letter-spacing: 16px;
        padding: 24px 20px;
    }

    .scorer-main {
        max-width: 800px;
        margin: 0 auto;
        width: 100%;
    }

    .team-section {
        padding: 32px 24px;
    }

    .score {
        font-size: 96px;
    }

    .team-name-input {
        font-size: 18px;
    }

    .btn-score {
        width: 96px;
        height: 72px;
        font-size: 28px;
        border-radius: var(--radius);
    }

    .action-bar {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
        gap: 12px;
        padding: 16px;
    }

    .btn-action {
        min-height: 64px;
        font-size: 13px;
    }
}

/* Large tablets / desktop */
@media (min-width: 1024px) {
    .scorer-main {
        max-width: 960px;
    }

    .score {
        font-size: 120px;
    }

    .btn-score {
        width: 120px;
        height: 80px;
        font-size: 32px;
    }
}