/* Ujjina Player Studio - Estilos Base */

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

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Screens */
.screen {
    display: none;
    min-height: 100vh;
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 20px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    gap: 6px;
    white-space: nowrap;
    transition: all 0.2s ease;
    letter-spacing: 0.02em;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-full { width: 100%; }

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 8px;
}

.btn-primary {
    background: linear-gradient(to right, #E91E63, #00BCD4, #4CAF50);
    color: #fff;
    border: none;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 4px 16px var(--accent-glow);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-accent);
}

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

.btn-danger:hover {
    background: rgba(255, 92, 124, 0.08);
}

/* Form elements */
.form-group {
    margin-bottom: 14px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    font-size: 13px;
    font-family: inherit;
    font-weight: 500;
    outline: none;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

.form-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
    height: 6px;
}

.form-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 8px;
    text-align: center;
    min-height: 18px;
    font-weight: 500;
}

/* Toggle switch */
.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toggle-group + .form-group {
    margin-top: 16px;
}

.toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.toggle input { display: none; }

.toggle-slider {
    width: 42px;
    height: 24px;
    background: var(--input-border);
    border-radius: 12px;
    position: relative;
    flex-shrink: 0;
    transition: background 0.25s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.toggle input:checked + .toggle-slider {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.toggle input:checked + .toggle-slider::after {
    transform: translateX(18px);
}

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

/* Radio cards */
.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.radio-card { cursor: pointer; }
.radio-card input { display: none; }

.radio-card-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.25s;
}

.radio-card-content:hover {
    border-color: var(--border-accent);
    color: var(--text);
}

.radio-card input:checked + .radio-card-content {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow), inset 0 0 12px var(--accent-soft);
}

/* Color inputs */
.color-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.color-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.color-item label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0;
    flex: 1;
    min-width: 0;
    text-transform: none;
}

.color-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.color-input-wrap input[type="color"] {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 2px;
    cursor: pointer;
    background: transparent;
    flex-shrink: 0;
    transition: all 0.2s;
}

.color-input-wrap input[type="color"]:hover {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.color-hex-input {
    width: 80px !important;
    padding: 7px 8px !important;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.color-hex-input:focus {
    border-color: var(--input-focus);
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-soft);
}

.color-hex-input.is-default {
    opacity: 0.4;
}

.color-reset-btn {
    width: 22px;
    height: 22px;
    border: none;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s;
}

.color-reset-btn:hover {
    background: var(--accent);
    color: #fff;
}

/* URL warning */
.url-warning {
    display: block;
    font-size: 11px;
    color: var(--warning);
    margin-top: 4px;
    font-weight: 600;
}

.color-format-tag {
    font-size: 9px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    opacity: 0.45;
    flex-shrink: 0;
    user-select: none;
}

/* Upload / image preview */
.upload-preview {
    margin-top: 8px;
}

.upload-preview img {
    max-width: 100%;
    max-height: 68px;
    border-radius: 8px;
    border: 1px solid var(--border);
    object-fit: contain;
}

/* Section titles */
.section-title {
    font-size: 11px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* EPG tabs */
.epg-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 12px;
    background: var(--input-bg);
    border-radius: 10px;
    padding: 3px;
}

.epg-tab {
    flex: 1;
    padding: 7px 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    position: relative;
    text-align: center;
}

.epg-tab:hover {
    color: var(--text);
    background: var(--surface-hover);
}

.epg-tab.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.epg-tab-dot {
    display: none;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    position: absolute;
    bottom: 1px;
    left: 50%;
    transform: translateX(-50%);
}

.epg-tab.has-items .epg-tab-dot {
    display: block;
}

.epg-tab.active .epg-tab-dot {
    background: rgba(255, 255, 255, 0.7);
}

/* EPG entries (per day) */
.epg-entry {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 6px;
}

.epg-entry input[type="time"],
.epg-entry input[type="text"] {
    padding: 8px 10px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    font-size: 12px;
    font-family: inherit;
    font-weight: 500;
    outline: none;
    transition: all 0.2s;
}

.epg-entry input:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 2px var(--accent-soft);
}

.epg-entry input[type="time"] {
    width: 82px;
    flex-shrink: 0;
}

.epg-time-sep {
    color: var(--text-secondary);
    font-weight: 600;
    flex-shrink: 0;
    user-select: none;
}

.epg-entry input[type="text"] {
    flex: 1;
    min-width: 0;
}

.epg-remove {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    border-radius: 6px;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    cursor: pointer;
    transition: all 0.2s;
}

.epg-remove:hover {
    background: rgba(255, 92, 124, 0.1);
}

#epg-day-entries {
    max-height: 400px;
    overflow-y: auto;
}

#epg-day-entries:empty::before {
    content: 'Sin programas para este día.';
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    opacity: 0.5;
    padding: 12px 0;
    text-align: center;
}

.epg-day-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

/* EPG copy day targets */
.epg-copy-targets {
    display: none;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
    padding: 10px;
    background: var(--input-bg);
    border-radius: 8px;
    border: 1px solid var(--border);
    align-items: center;
}

.epg-copy-targets.visible {
    display: flex;
}

.epg-copy-targets .epg-copy-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 4px;
    white-space: nowrap;
}

.epg-copy-target {
    padding: 5px 12px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    font-family: inherit;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.epg-copy-target:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

/* Responsive: color inputs, toggles, forms */
@media (max-width: 480px) {
    .color-item {
        flex-wrap: wrap;
        gap: 6px;
    }

    .color-item label {
        flex-basis: 100%;
        font-size: 11px;
    }

    .color-hex-input {
        width: 70px !important;
        font-size: 11px;
    }

    .form-group input[type="text"],
    .form-group input[type="url"],
    .form-group input[type="email"],
    .form-group input[type="password"],
    .form-group input[type="number"],
    .form-group input[type="date"],
    .form-group select {
        font-size: 16px;
        padding: 12px;
    }

    .section-title {
        font-size: 10px;
        margin-bottom: 12px;
    }

    .toggle-label {
        font-size: 12px;
    }

    .epg-tab {
        font-size: 10px;
        padding: 6px 0;
    }

    .epg-day-actions {
        flex-wrap: wrap;
    }

    .epg-copy-target {
        padding: 4px 8px;
        font-size: 10px;
    }

    /* Touch targets mínimo 44px */
    .btn {
        min-height: 44px;
        padding: 10px 16px;
    }

    .btn-sm {
        min-height: 44px;
        padding: 10px 14px;
    }

    .color-input-wrap input[type="color"] {
        width: 44px;
        height: 44px;
    }

    .toggle-slider {
        width: 46px;
        height: 26px;
    }

    .toggle-slider::after {
        width: 20px;
        height: 20px;
    }

    .toggle input:checked + .toggle-slider::after {
        transform: translateX(20px);
    }

    .epg-entry input[type="time"],
    .epg-entry input[type="text"] {
        font-size: 14px;
        padding: 10px;
        min-height: 44px;
    }

    .epg-remove {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
}

/* Modal profesional — reemplaza alert/confirm/prompt */
.ujjina-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn .15s ease;
}

.ujjina-modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
    width: 90%;
    max-width: 420px;
    overflow: hidden;
    animation: modalSlideIn .2s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.ujjina-modal-body {
    padding: 28px 24px 20px;
}

.ujjina-modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 22px;
}

.ujjina-modal-icon.danger {
    background: rgba(255,107,129,.12);
    color: #ff6b81;
}

.ujjina-modal-icon.warning {
    background: rgba(255,190,60,.12);
    color: #ffbe3c;
}

.ujjina-modal-icon.info {
    background: rgba(78,205,196,.12);
    color: #4ecdc4;
}

.ujjina-modal-icon.success {
    background: rgba(78,205,196,.12);
    color: #4ecdc4;
}

.ujjina-modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    text-align: center;
    margin-bottom: 8px;
}

.ujjina-modal-message {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
}

.ujjina-modal-input {
    width: 100%;
    margin-top: 16px;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
}

.ujjina-modal-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.ujjina-modal-footer {
    display: flex;
    gap: 8px;
    padding: 16px 24px 20px;
    justify-content: flex-end;
}

.ujjina-modal-footer .btn {
    min-width: 90px;
    min-height: 38px;
}

.btn-danger {
    background: #ff6b81;
    color: #fff;
    border: none;
}

.btn-danger:hover {
    background: #ff4757;
}

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

.btn-ghost:hover {
    background: var(--bg);
    color: var(--text);
}