/* css/components.css */
/* Core Card Component */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border-hover);
}

.card-glowing {
    border-color: rgba(79, 124, 255, 0.12);
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-md);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    outline: none;
}

.btn:hover {
    background: #fbfbfc;
    border-color: var(--color-accent-blue);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--color-accent-blue);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(79, 124, 255, 0.15);
}

.btn-primary:hover {
    background: #3c6be8;
    color: #fff;
    box-shadow: 0 6px 20px rgba(79, 124, 255, 0.25);
}

.btn-secondary {
    background: var(--bg-sidebar);
    border-color: transparent;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

/* Diagnostic Buttons - Calming Slate Cards */
.diagnostic-btn {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.diagnostic-btn:hover {
    background: #ffffff;
    border-color: var(--color-accent-blue);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(79, 124, 255, 0.05);
}

.diagnostic-icon {
    font-size: 2.2rem;
    margin-bottom: var(--space-xs);
    transition: var(--transition-smooth);
}

.diagnostic-btn:hover .diagnostic-icon {
    transform: scale(1.05);
}

/* Fullscreen focus timer modal overlay */
.fullscreen-timer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-base);
    z-index: 15000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(15px);
    transition: var(--transition-smooth);
}

.timer-giant {
    font-size: 8rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--color-accent-blue);
    margin-bottom: var(--space-lg);
    letter-spacing: -3px;
    animation: pulseGlow 2s infinite alternate;
}

@keyframes pulseGlow {
    0% { text-shadow: 0 0 20px rgba(79, 124, 255, 0.05); }
    100% { text-shadow: 0 0 40px rgba(79, 124, 255, 0.2); }
}

.timer-label {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    font-family: 'Outfit', sans-serif;
}

/* Countdown Card */
.countdown-box {
    text-align: center;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.countdown-number {
    font-size: 5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--color-accent-blue);
    animation: scalePulse 1s infinite alternate;
}

@keyframes scalePulse {
    0% { transform: scale(0.9); }
    100% { transform: scale(1.15); }
}

/* Spaced Subject Progress */
.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.subject-card {
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.subject-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent-blue);
}

.subject-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.progress-track {
    width: 100%;
    height: 8px;
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.5);
    margin-top: 4px;
}

.progress-fill {
    height: 100%;
    background: var(--color-accent-blue);
    transition: width 0.4s ease;
}

/* Streak Indicator Layout */
.streak-box {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--bg-card);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.streak-day-grid {
    display: flex;
    gap: 8px;
    margin-top: var(--space-xs);
}

.streak-day-block {
    flex: 1;
    height: 36px;
    background: rgba(0,0,0,0.02);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.streak-day-block.active {
    background: var(--color-accent-blue);
    color: #fff;
    border-color: var(--color-accent-blue);
}

/* Toasts */
.toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    z-index: 10000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Custom Checkbox elements */
.checkbox-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
    cursor: pointer;
}

.checkbox-item:hover {
    background: #f1f3f7;
}

.checkbox-checked {
    background: rgba(79, 124, 255, 0.04) !important;
    border-color: rgba(79, 124, 255, 0.1);
}

.hidden {
    display: none !important;
}