/* ─── Habits Page ─────────────────────────────────────────────────────────── */

.habits-page {
    padding-top: 130px;
    padding-bottom: 10rem;
}

/* Header */
.habits-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.habits-header h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.habits-header p {
    color: var(--text-dim);
    font-size: 1.05rem;
}

.habits-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.meta-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    border-radius: 99px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid;
}

.meta-pill.fire {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.meta-pill.gold {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
    border-color: rgba(245, 158, 11, 0.3);
}

/* Add Habit Card */
.add-habit-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem 2.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), var(--glass-inner-glow);
    transition: var(--tr-normal);
}

.add-habit-card:focus-within {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 30px var(--primary-glow);
}

.add-habit-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.add-habit-form {
    display: flex;
    gap: 1rem;
    flex: 1;
    flex-wrap: wrap;
}

.add-habit-form input {
    flex: 1;
    min-width: 200px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-bright);
    color: var(--text);
    padding: 0.85rem 1.4rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--tr-fast);
    outline: none;
}

.add-habit-form input:focus {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.add-habit-form input::placeholder {
    color: var(--text-muted);
}

.add-habit-form select {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-bright);
    color: var(--text);
    padding: 0.85rem 1.4rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: var(--tr-fast);
}

.add-habit-form select:focus {
    border-color: var(--primary);
}

.add-habit-form select option {
    background: #0f172a;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 5rem;
    color: var(--text-dim);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-bright);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Habits Grid */
.habits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.8rem;
    margin-bottom: 4rem;
    transition: opacity 0.3s ease;
}

/* Habit Card */
.habit-card {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: var(--tr-spring);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), var(--glass-inner-glow);
}

.habit-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 60%);
    pointer-events: none;
}

.habit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 25px var(--primary-glow);
    border-color: var(--primary);
}

.habit-card.done {
    border-color: rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.05);
}

.habit-card.done .habit-name {
    text-decoration: line-through;
    color: var(--text-muted);
}

.habit-card.done::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, transparent);
    pointer-events: none;
}

.habit-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.habit-category-badge {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.9rem;
    border-radius: 99px;
    border: 1px solid;
    letter-spacing: 0.3px;
}

.habit-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 8px;
    transition: var(--tr-fast);
    font-size: 0.9rem;
}

.habit-delete-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.habit-name {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.4;
}

/* Streak Badge */
.habit-streak-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.streak-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-bright);
    border-radius: 12px;
    padding: 0.5rem 1rem;
    transition: var(--tr-normal);
}

.streak-badge.hot {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.streak-badge.mega {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
}

.flame-icon { font-size: 1.2rem; }

.streak-num {
    font-size: 1.5rem;
    font-weight: 900;
    font-family: 'Outfit', sans-serif;
    color: white;
    line-height: 1;
}

.streak-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 600;
}

.habit-meta-mini {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Complete Button */
.habit-complete-btn {
    width: 100%;
    padding: 0.9rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-bright);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-dim);
    font-size: 0.95rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: var(--tr-spring);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.habit-complete-btn:hover:not(.completed) {
    background: rgba(16, 185, 129, 0.08);
    border-color: var(--secondary);
    color: var(--secondary);
    transform: scale(1.02);
}

.habit-complete-btn.completed {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--secondary);
    color: var(--secondary);
    cursor: default;
}

/* Empty State */
.empty-habits {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 5rem 2rem;
    text-align: center;
    color: var(--text-dim);
}

.empty-icon { font-size: 4rem; }

.empty-habits h3 {
    font-size: 1.5rem;
    color: var(--text);
    font-weight: 800;
}

/* Weekly Overview */
.weekly-overview {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md), var(--glass-inner-glow);
}

.weekly-overview h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.weekly-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.75rem;
}

.week-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.week-day-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.week-day.today .week-day-name {
    color: var(--primary-light);
}

.week-day-bar {
    width: 100%;
    height: 80px;
    background: rgba(255,255,255,0.04);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-end;
}

.week-day-fill {
    width: 100%;
    background: linear-gradient(to top, var(--primary), var(--primary-light));
    border-radius: 6px;
    transition: height 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-height: 0;
}

.week-day.today .week-day-bar {
    border-color: var(--primary);
}

.week-day.intensity-1 .week-day-fill { background: linear-gradient(to top, #6366f155, #818cf8aa); }
.week-day.intensity-2 .week-day-fill { background: linear-gradient(to top, #6366f1, #818cf8); }
.week-day.intensity-3 .week-day-fill { background: linear-gradient(to top, #6366f1, #10b981); box-shadow: 0 0 12px var(--primary-glow); }

.week-day-count {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-light);
    min-height: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .habits-page { padding-top: 100px; padding-bottom: 8rem; }
    .habits-header { flex-direction: column; text-align: center; gap: 1.5rem; }
    .habits-header h1 { font-size: 2.2rem; }
    .habits-meta { justify-content: center; }
    
    .add-habit-card { flex-direction: column; padding: 2rem 1.5rem; text-align: center; }
    .add-habit-icon { font-size: 3rem; }
    .add-habit-form { flex-direction: column; width: 100%; }
    .add-habit-form input, .add-habit-form select, .add-habit-form .btn { width: 100%; }
    
    .habits-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .habit-card { padding: 1.5rem; border-radius: 28px; }
    .habit-card h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .habits-header h1 { font-size: 1.8rem; }
    .meta-pill { padding: 0.5rem 1rem; font-size: 0.85rem; }
    .habit-streak { font-size: 1.1rem; }
}