/* deck-manager-styles.css — Gestor de Mazos y Exportación / Importación */

/* Flashcard Bookmark Star Button */
.flashcard-fav-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.2s ease;
    padding: 6px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.flashcard-fav-btn:hover {
    transform: scale(1.25);
    color: #eab308;
}

.flashcard-fav-btn.is-fav {
    color: #eab308;
    filter: drop-shadow(0 2px 8px rgba(234, 179, 8, 0.5));
}

/* Modal Layout */
.deck-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease-out;
}

.deck-modal-dialog {
    background: var(--bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 16px);
    width: 100%;
    max-width: 680px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.deck-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.deck-modal-title {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.deck-modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    border-radius: 6px;
    padding: 4px 8px;
    transition: color 0.15s ease, background 0.15s ease;
}

.deck-modal-close:hover {
    color: var(--text-main);
    background: var(--color-bg-input, rgba(255, 255, 255, 0.08));
}

/* Nav Tabs */
.deck-modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-input, rgba(255, 255, 255, 0.02));
    padding: 0 16px;
}

.deck-tab-btn {
    background: transparent;
    border: none;
    padding: 12px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.deck-tab-btn:hover {
    color: var(--text-main);
}

.deck-tab-btn.active {
    color: var(--primary, #e11d48);
    border-bottom-color: var(--primary, #e11d48);
}

.deck-modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

/* Deck Cards List */
.deck-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.deck-item-card {
    background: var(--color-bg-input, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md, 12px);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.deck-item-info h4 {
    margin: 0 0 4px 0;
    font-size: 1.05rem;
    color: var(--text-main);
}

.deck-item-info p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.deck-word-count {
    display: inline-block;
    background: rgba(225, 29, 72, 0.12);
    color: var(--primary, #e11d48);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 9999px;
    margin-left: 8px;
}

.deck-actions-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.deck-btn-sm {
    background: var(--color-bg-input, rgba(255, 255, 255, 0.06));
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.deck-btn-sm:hover {
    border-color: var(--primary, #e11d48);
    background: rgba(225, 29, 72, 0.08);
}

.deck-btn-study {
    background: var(--primary, #e11d48);
    color: white;
    border-color: var(--primary, #e11d48);
}

.deck-btn-study:hover {
    background: #be123c;
}

/* Import Form */
.deck-import-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.deck-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.deck-input-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
}

.deck-input-group input,
.deck-input-group textarea {
    background: var(--color-bg-input, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md, 8px);
    padding: 10px 14px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.92rem;
}

.deck-input-group textarea {
    min-height: 120px;
    resize: vertical;
}

.deck-input-group input:focus,
.deck-input-group textarea:focus {
    outline: none;
    border-color: var(--primary, #e11d48);
}

/* ============================================================================
   MOBILE RESPONSIVE DECK MANAGER (< 680px)
   ============================================================================ */
@media (max-width: 680px) {
    .deck-modal-overlay {
        padding: 0;
        align-items: flex-end;
        height: 100dvh;
    }

    .deck-modal-dialog {
        width: 100%;
        max-width: 100%;
        max-height: min(90dvh, 640px);
        border-radius: 20px 20px 0 0;
        border-bottom: none;
        box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.45);
    }

    .deck-modal-dialog::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: var(--color-border, rgba(255, 255, 255, 0.2));
        border-radius: 4px;
        margin: 8px auto 0;
    }

    .deck-modal-header {
        padding: 12px 18px;
    }

    .deck-modal-title {
        font-size: 1.15rem;
    }

    .deck-modal-close {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        touch-action: manipulation;
    }

    .deck-modal-tabs {
        padding: 0 10px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .deck-modal-tabs::-webkit-scrollbar {
        display: none;
    }

    .deck-tab-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
        white-space: nowrap;
        touch-action: manipulation;
    }

    .deck-modal-body {
        padding: 14px 16px max(16px, env(safe-area-inset-bottom, 0px));
    }

    .deck-item-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 14px;
    }

    .deck-actions-group {
        width: 100%;
        justify-content: flex-end;
        gap: 8px;
    }

    .deck-btn-sm {
        min-height: 40px;
        padding: 8px 14px;
        font-size: 0.84rem;
        touch-action: manipulation;
    }

    .deck-input-group input,
    .deck-input-group textarea {
        font-size: 16px !important;
    }
}