/* ============================================================================
   MADUKKAKUZHY ARCADE - Site Stylesheet
   Navy & Gold theme
   ============================================================================ */

:root {
    --navy:          #1E3A5F;
    --navy-dark:     #0A1929;
    --navy-light:    #2C5282;
    --gold:          #C99A3F;
    --gold-light:    #E0B860;
    --cream:         #FAF8F3;
    --cream-darker:  #E8E2D5;
    --white:         #FFFFFF;
    --text-primary:  #0A1929;
    --text-muted:    #475569;
    --border:        #E8E2D5;
    --paid-bg:       #DBEAFE;
    --paid-text:     #1E3A5F;
    --due-bg:        #FEF3C7;
    --due-text:      #92400E;
    --danger:        #DC2626;
    --shadow-sm:     0 1px 3px rgba(10, 25, 41, 0.06);
    --shadow-md:     0 4px 12px rgba(10, 25, 41, 0.08);
    --shadow-lg:     0 8px 24px rgba(10, 25, 41, 0.12);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--cream);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--navy); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--gold); }

form { min-height: 100vh; display: flex; flex-direction: column; }
.page-wrapper { flex: 1; display: flex; flex-direction: column; }

/* ============================================================================
   HEADER - DESKTOP DEFAULT
   ============================================================================ */
.site-header {
    background: var(--navy);
    border-bottom: 3px solid var(--gold);
    padding: 0;
    position: relative;
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
    font-weight: 700;
    font-size: 1.05rem;
    flex-shrink: 0;
}

.site-logo:hover { color: var(--gold-light); }

.logo-mark {
    width: 38px;
    height: 38px;
    background: var(--gold);
    color: var(--navy);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
}

.logo-text { line-height: 1.1; display: flex; flex-direction: column; }
.logo-text-main { color: var(--white); font-weight: 700; font-size: 1rem; letter-spacing: 0.3px; }
.logo-text-sub { color: var(--gold); font-size: 0.7rem; letter-spacing: 1.5px; font-weight: 500; }

/* HAMBURGER BUTTON - hidden on desktop */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    width: 44px;
    height: 44px;
    padding: 0;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
    transition: all 0.3s ease;
}

body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* NAV WRAPPER - desktop inline row */
.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-nav { display: flex; align-items: center; gap: 0.5rem; }

.site-nav a {
    color: rgba(255, 255, 255, 0.75);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.site-nav a:hover { color: var(--gold); background: rgba(255, 255, 255, 0.05); }
.site-nav a.active { color: var(--gold); font-weight: 700; background: rgba(201, 154, 63, 0.12); }

.user-area {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.user-area .username { color: var(--gold); font-weight: 600; }

.btn-logout {
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: none;
}

.btn-logout:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }

.btn-changepw {
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.3rem 0.55rem;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    line-height: 1;
    display: inline-flex;
    align-items: center;
}

.btn-changepw:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }

/* ============================================================================
   MAIN
   ============================================================================ */
.site-main {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.page-header { margin-bottom: 2rem; }
.page-title { font-size: 1.75rem; font-weight: 700; color: var(--navy-dark); margin: 0 0 0.25rem; }
.page-subtitle { color: var(--text-muted); font-size: 0.95rem; margin: 0; }

/* ============================================================================
   CARDS
   ============================================================================ */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.card-title { font-size: 1.1rem; font-weight: 700; color: var(--navy-dark); margin: 0; }
.card-body { padding: 1.5rem; }
.card-body.no-pad { padding: 0; }

/* ============================================================================
   STAT CARDS
   ============================================================================ */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
}

.stat-card.featured { background: var(--navy); border-color: var(--navy); color: var(--white); }

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stat-card.featured .stat-label { color: rgba(255, 255, 255, 0.7); }
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--navy-dark); }
.stat-card.featured .stat-value { color: var(--gold); }

/* ============================================================================
   TABLES
   ============================================================================ */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table thead { background: var(--cream); }

.data-table th {
    text-align: left;
    padding: 0.85rem 1.25rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 700;
    border-bottom: 1px solid var(--border);
}

.data-table td { padding: 0.95rem 1.25rem; border-bottom: 1px solid var(--border); color: var(--text-primary); }
.data-table tbody tr:hover { background: var(--cream); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table th.right, .data-table td.right { text-align: right; }
.data-table th.center, .data-table td.center { text-align: center; }
.data-table .invoice-no { font-family: 'Courier New', monospace; font-weight: 700; color: var(--navy); }
.data-table .amount { font-weight: 600; text-align: right; }
.data-table .tenant-name { font-weight: 600; }

/* ============================================================================
   BADGES
   ============================================================================ */
.badge {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-paid     { background: var(--paid-bg); color: var(--paid-text); }
.badge-due      { background: var(--due-bg); color: var(--due-text); }
.badge-draft    { background: #E2E8F0; color: #475569; }
.badge-sent     { background: #DBEAFE; color: #1E3A5F; }
.badge-overdue  { background: #FEE2E2; color: #991B1B; }
.badge-cancelled { background: #F3F4F6; color: #6B7280; }

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    font-family: inherit;
    text-decoration: none;
    text-align: center;
}

.btn-primary { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-light); color: var(--white); }
.btn-gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-light); color: var(--navy-dark); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-danger { background: var(--white); color: var(--danger); border-color: #FEE2E2; }
.btn-danger:hover { background: var(--danger); color: var(--white); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }

/* ============================================================================
   FORMS
   ============================================================================ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.form-grid.cols-1 { grid-template-columns: 1fr; }
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-group { display: flex; flex-direction: column; }
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.4rem; }
.form-label .required { color: var(--danger); }

.form-control {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--cream-darker);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--white);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
}

.form-control:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1); }
.form-control[readonly], .form-control:disabled { background: var(--cream); color: var(--text-muted); }
textarea.form-control { min-height: 80px; resize: vertical; }

.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    margin-top: 1.5rem;
}

.form-check { display: flex; align-items: center; gap: 0.5rem; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--navy); }

/* ============================================================================
   ALERTS
   ============================================================================ */
.alert { padding: 0.85rem 1.1rem; border-radius: 6px; margin-bottom: 1.25rem; font-size: 0.9rem; border: 1px solid; }
.alert-success { background: #ECFDF5; color: #065F46; border-color: #A7F3D0; }
.alert-error, .alert-danger { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }
.alert-info { background: var(--paid-bg); color: var(--paid-text); border-color: #BFDBFE; }
.alert-warning { background: var(--due-bg); color: var(--due-text); border-color: #FDE68A; }

/* ============================================================================
   FILTER BAR
   ============================================================================ */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: end;
    padding: 1rem 1.5rem;
    background: var(--cream);
    border-bottom: 1px solid var(--border);
}
.filter-bar .form-group { min-width: 140px; }
.filter-bar .form-label { font-size: 0.72rem; margin-bottom: 0.25rem; }

/* ============================================================================
   FOOTER
   ============================================================================ */
.site-footer {
    background: var(--navy-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 1.5rem 2rem;
    text-align: center;
    font-size: 0.85rem;
    border-top: 3px solid var(--gold);
}

.site-footer .accent { color: var(--gold); font-weight: 600; }

/* ============================================================================
   LOGIN PAGE
   ============================================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    padding: 1rem;
}

.login-card {
    background: var(--white);
    width: 100%;
    max-width: 420px;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo .logo-mark { width: 64px; height: 64px; font-size: 2rem; margin: 0 auto 1rem; }
.login-logo h1 { font-size: 1.4rem; color: var(--navy-dark); margin: 0 0 0.25rem; }
.login-logo p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ============================================================================
   ============================================================================
   MOBILE — activates ONLY when screen width is 900px or less
   ============================================================================
   ============================================================================ */
@media screen and (max-width: 900px) {

    /* Show the hamburger button on mobile */
    .nav-toggle {
        display: flex;
    }

    .header-inner {
        padding: 0.85rem 1rem;
    }

    .logo-text-main { font-size: 0.85rem; }
    .logo-text-sub { font-size: 0.6rem; letter-spacing: 1px; }

    /* HIDE the nav wrapper by default on mobile (using display: none).
       Position it as a slide-down panel below the header. */
    .nav-wrapper {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--navy-dark);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem;
        border-bottom: 3px solid var(--gold);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        z-index: 100;
    }

    /* SHOW the nav wrapper when body has nav-open class (set by JS) */
    body.nav-open .nav-wrapper {
        display: flex;
    }

    /* Stack nav links vertically with bigger tap targets */
    .site-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
        margin-bottom: 0.75rem;
    }

    .site-nav a {
        padding: 0.85rem 1rem;
        font-size: 1rem;
        border-radius: 6px;
    }

    /* User area: stack username and logout */
    .user-area {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        width: 100%;
        padding-top: 0.75rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .user-area > span {
        text-align: center;
        font-size: 0.85rem;
    }

    .btn-logout {
        text-align: center;
        padding: 0.7rem;
        font-size: 0.9rem;
    }

    .site-main { padding: 1rem; }
    .form-grid.cols-2, .form-grid.cols-3 { grid-template-columns: 1fr; }
    .data-table th, .data-table td { padding: 0.6rem 0.75rem; font-size: 0.85rem; }
    .stat-grid { grid-template-columns: 1fr; }
}

/* ============================================================================
   PRINT
   ============================================================================ */
@media print {
    .site-header, .site-footer, .site-nav, .btn, .form-actions, .nav-toggle { display: none !important; }
    .site-main { padding: 0; max-width: none; }
    .card { border: none; box-shadow: none; }
    body { background: white; }
}