/* ==========================================
   Caring Fathers SHG - Stylesheet
   ========================================== */
:root {
    --primary:    #1e3a5f;
    --primary-lt: #2e5090;
    --accent:     #e8a020;
    --success:    #16a34a;
    --danger:     #dc2626;
    --warning:    #d97706;
    --info:       #0891b2;
    --bg:         #f0f4f8;
    --card:       #ffffff;
    --text:       #1e293b;
    --muted:      #64748b;
    --border:     #e2e8f0;
    --radius:     8px;
    --shadow:     0 1px 4px rgba(0,0,0,.1);
}

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

body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: .9rem; }

/* ---- Navbar ---- */
.navbar {
    background: var(--primary);
    display: flex; align-items: center; justify-content: space-between;
    padding: .75rem 1.5rem; position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 6px rgba(0,0,0,.3);
}
.nav-brand { display: flex; align-items: center; gap: .75rem; color: #fff; }
.nav-brand .nav-icon { font-size: 1.6rem; }
.nav-brand strong { display: block; font-size: 1rem; }
.nav-brand small { color: #94a3b8; font-size: .75rem; }
.nav-links { list-style: none; display: flex; gap: .25rem; }
.nav-links a {
    color: #cbd5e1; text-decoration: none; padding: .45rem .8rem;
    border-radius: var(--radius); font-size: .85rem; transition: .2s;
}
.nav-links a:hover, .nav-links a.active { background: var(--primary-lt); color: #fff; }

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

/* ---- Page header ---- */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem; }
.page-header h1 { font-size: 1.4rem; color: var(--primary); }
.page-header p  { color: var(--muted); font-size: .85rem; margin-top: .2rem; }

/* ---- Cards ---- */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; border: 1px solid var(--border); }
.card-title { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .35rem; }
.card-value { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.card-sub   { font-size: .78rem; color: var(--muted); margin-top: .25rem; }

/* ---- Stats grid ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card  { background: var(--card); padding: 1.1rem 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); border-left: 4px solid var(--primary); }
.stat-card.danger  { border-left-color: var(--danger); }
.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.info    { border-left-color: var(--info); }
.stat-card.accent  { border-left-color: var(--accent); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
thead th { background: var(--primary); color: #fff; padding: .6rem .8rem; text-align: left; font-weight: 600; white-space: nowrap; }
tbody tr:nth-child(even) { background: #f8fafc; }
tbody tr:hover { background: #eff6ff; }
tbody td { padding: .55rem .8rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ---- Badges ---- */
.badge { display: inline-block; padding: .2rem .55rem; border-radius: 20px; font-size: .72rem; font-weight: 600; white-space: nowrap; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info    { background: #e0f2fe; color: #075985; }
.badge-muted   { background: #f1f5f9; color: #475569; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem 1rem; border-radius: var(--radius); border: none; cursor: pointer; font-size: .85rem; font-weight: 600; text-decoration: none; transition: .2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-lt); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-danger:hover  { background: #b91c1c; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-secondary { background: #e2e8f0; color: var(--text); }
.btn-secondary:hover { background: #cbd5e1; }
.btn-sm { padding: .3rem .65rem; font-size: .78rem; }

/* ---- Forms ---- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label { font-weight: 600; font-size: .82rem; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    padding: .5rem .75rem; border: 1px solid var(--border); border-radius: var(--radius);
    font-size: .88rem; transition: .2s; background: #fff;
}
.form-group input:focus, .form-group select:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,95,.12);
}
.form-actions { margin-top: 1.25rem; display: flex; gap: .75rem; flex-wrap: wrap; }

/* ---- Alerts ---- */
.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; display: flex; align-items: center; justify-content: space-between; }
.alert button { background: none; border: none; cursor: pointer; font-size: 1rem; opacity: .6; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }

/* ---- Modal ---- */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: #fff; border-radius: var(--radius); width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; box-shadow: 0 10px 40px rgba(0,0,0,.3); }
.modal-header { background: var(--primary); color: #fff; padding: 1rem 1.25rem; display: flex; justify-content: space-between; align-items: center; border-radius: var(--radius) var(--radius) 0 0; }
.modal-header h3 { font-size: 1rem; }
.modal-close { background: none; border: none; color: #fff; font-size: 1.3rem; cursor: pointer; line-height: 1; }
.modal-body { padding: 1.25rem; }

/* ---- Section title ---- */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: .5rem; }
.section-title  { font-size: 1rem; font-weight: 700; color: var(--primary); }

/* ---- Two-column layout ---- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
@media(max-width:700px) { .two-col { grid-template-columns: 1fr; } }

/* ---- Filter bar ---- */
.filter-bar { display: flex; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { padding: .45rem .7rem; border: 1px solid var(--border); border-radius: var(--radius); font-size: .85rem; }

/* ---- Footer ---- */
.footer { text-align: center; padding: 1.5rem; color: var(--muted); font-size: .8rem; border-top: 1px solid var(--border); margin-top: 2rem; }

/* ---- Overdue highlight ---- */
.overdue-row td { background: #fff5f5 !important; }
.deficit-text { color: var(--danger); font-weight: 600; }

/* ---- Progress bar ---- */
.progress-wrap { background: #e2e8f0; border-radius: 20px; height: 8px; overflow: hidden; }
.progress-bar  { height: 100%; border-radius: 20px; background: var(--success); transition: width .3s; }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger  { background: var(--danger); }

/* ---- Tabs ---- */
.tabs { display: flex; gap: .25rem; margin-bottom: 1.25rem; border-bottom: 2px solid var(--border); }
.tab-btn { padding: .6rem 1rem; background: none; border: none; border-bottom: 2px solid transparent; cursor: pointer; font-size: .88rem; color: var(--muted); margin-bottom: -2px; }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 700; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ==========================================
   Mobile Responsiveness Enhancements
   ========================================== */

/* Hamburger Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
    outline: none;
}
.nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: #cbd5e1;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Mobile Toggled Drawer Animation */
.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Media Queries for Viewports <= 768px (Mobile & Tablets) */
@media (max-width: 768px) {
    /* Responsive Header & Navigation */
    .nav-toggle {
        display: flex;
    }
    
    .navbar {
        position: relative;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        gap: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
        z-index: 105;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-links.open {
        max-height: 500px;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 0.9rem 1.5rem;
        border-radius: 0;
        font-size: 0.95rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        transition: background 0.2s;
    }
    
    .nav-links a:hover, .nav-links a.active {
        background: var(--primary-lt);
    }
    
    /* User Profile section in mobile nav links */
    .nav-links li:last-child {
        border-left: none !important;
        padding-left: 0 !important;
        margin-left: 0 !important;
        background: rgba(0, 0, 0, 0.15);
        display: flex !important;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem 1.5rem;
    }
    
    /* Dashboard and main layout tweaks */
    .container {
        padding: 1rem;
    }
    
    .page-header {
        margin-bottom: 1.25rem;
    }
    
    .page-header h1 {
        font-size: 1.25rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }
    
    .stat-card {
        padding: 0.9rem 1rem;
    }
    
    .card-value {
        font-size: 1.35rem;
    }
    
    /* Forms & Modal layouts */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
    
    .modal {
        width: calc(100% - 1.5rem);
        margin: 0.75rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

/* Media Queries for Viewports <= 600px (Extra Compact Mobile) */
@media (max-width: 600px) {
    /* Compact scrollable tables for mobile */
    .table-wrap {
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        font-size: 0.8rem;
    }
    
    thead th, tbody td {
        padding: 0.45rem 0.6rem;
    }
    
    .btn {
        padding: 0.45rem 0.85rem;
        font-size: 0.8rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}