/**
 * ============================================================================
 * File:        assets/css/theme.css
 * Project:     eilm-li ERP - Islamic Madarsa Theme
 * Description: Centralized CSS using predefined Color Palette variables.
 * ============================================================================
 */

:root {
    /* PRIMARY - Luxury Deep Green */
    --primary-color: #0F4C3A;
    --primary-hover: #156B52;
    --primary-dark: #083326;
    --primary-light: #E6F4EA;
    --primary-lighter: #F2FCEE;
    
    /* WARNING / ACCENT - Royal Gold */
    --warning-color: #D4AF37;
    --warning-hover: #B5952F;
    --warning-light: #FDF8E7;
    --warning-lighter: #FFFDF7;
    
    /* SUCCESS */
    --success-color: #10B981;
    --success-hover: #059669;
    --success-light: #D1FAE5;
    --success-lighter: #ECFDF5;
    
    /* DANGER */
    --danger-color: #991B1B;
    --danger-hover: #7F1D1D;
    --danger-light: #FEE2E2;
    --danger-lighter: #FEF2F2;
    
    /* INFO - Soft Teal */
    --info-color: #0D9488;
    --info-hover: #0F766E;
    --info-light: #CCFBF1;
    --info-lighter: #F0FDFA;
    
    /* SECONDARY - Champagne Gold */
    --secondary-color: #B89F78;
    --secondary-hover: #9A825D;
    --secondary-light: #F5F2EB;
    
    /* NEUTRALS */
    --text-dark: #1A211D;
    --text-muted: #6B726C;
    --text-light: #9CA3AF;
    --border-color: #E5E7EB;
    --bg-light: #F8FAF9;
    --bg-white: #FFFFFF;

    /* LAYOUT */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --header-height: 64px;
}
/* ==========================================================================
   CORE APP LAYOUT STRUCTURE (Fixes Blank Page & Collapsed Views)
   ========================================================================== */

/* 1. Ensure Navbar doesn't shrink */
.navbar-custom {
    flex-shrink: 0;
}

/* 2. Main Wrapper holds Sidebar and Content side-by-side */
.layout-wrapper {
    flex-grow: 1;
    display: flex;
    width: 100%;
    height: calc(100vh - var(--header-height, 64px)); /* Adjusts for Navbar */
    height: calc(100dvh - var(--header-height, 64px)); 
    overflow: hidden;
    position: relative;
}

/* 3. Main Content Area allows internal scrolling */
.main-content {
    flex-grow: 1;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-light);
}

/* 4. Ensure Desktop Sidebar doesn't shrink or collapse */
@media (min-width: 768px) {
    .sidebar-wrapper {
        position: relative;
        flex-shrink: 0;
    }
}
/* =========================================
   GLOBAL RESET
   ========================================= */
html, body {
    margin: 0; padding: 0; width: 100%; max-width: 100%; height: 100vh; height: 100dvh;
    display: flex; flex-direction: column; overflow: hidden !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: var(--bg-light); color: var(--text-dark);
    -webkit-font-smoothing: antialiased; letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6, .fw-bold { font-weight: 700 !important; color: var(--text-dark); }
a { color: var(--primary-color); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* =========================================
   BOOTSTRAP COLOR OVERRIDES
   ========================================= */
.bg-primary { background-color: var(--primary-color) !important; }
.text-primary { color: var(--primary-color) !important; }
.border-primary { border-color: var(--primary-color) !important; }

.bg-warning { background-color: var(--warning-color) !important; }
.text-warning { color: var(--warning-color) !important; }

.bg-success { background-color: var(--success-color) !important; }
.text-success { color: var(--success-color) !important; }

.bg-danger { background-color: var(--danger-color) !important; }
.text-danger { color: var(--danger-color) !important; }

.bg-info { background-color: var(--info-color) !important; }
.text-info { color: var(--info-color) !important; }

.text-muted { color: var(--text-muted) !important; }
.bg-light { background-color: var(--bg-light) !important; }
.bg-white { background-color: var(--bg-white) !important; }

/* Buttons */
.btn-primary { background-color: var(--primary-color) !important; border-color: var(--primary-color) !important; color: #fff !important; }
.btn-primary:hover { background-color: var(--primary-hover) !important; box-shadow: 0 4px 6px rgba(15, 76, 58, 0.2); transform: translateY(-1px); }

.btn-warning { background-color: var(--warning-color) !important; border-color: var(--warning-color) !important; color: var(--text-dark) !important; font-weight: 600; }
.btn-warning:hover { background-color: var(--warning-hover) !important; color: #fff !important; }

.btn-outline-primary { color: var(--primary-color) !important; border-color: var(--primary-color) !important; }
.btn-outline-primary:hover { background-color: var(--primary-color) !important; color: #fff !important; }

/* =========================================
   PREMIUM SIDEBAR DESIGN
   ========================================= */
.sidebar-wrapper {
    min-width: var(--sidebar-width); max-width: var(--sidebar-width);
    background-color: var(--primary-dark) !important; /* Deep Forest Green */
    border-right: 1px solid rgba(212, 175, 55, 0.15); /* Soft Gold Border */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1050; white-space: nowrap; overflow-x: hidden; height: 100%;
}

.sidebar-wrapper.collapsed { min-width: var(--sidebar-collapsed-width); max-width: var(--sidebar-collapsed-width); }
.sidebar-wrapper.collapsed .nav-text, .sidebar-wrapper.collapsed .sidebar-header-text, .sidebar-wrapper.collapsed .badge { display: none !important; }

.sidebar-menu-btn {
    color: var(--text-light); /* Soft Grey/White */
    background: transparent; border: none; text-align: left;
    padding: 12px 18px; border-radius: 8px; font-weight: 500;
    transition: all 0.2s ease; width: 100%; display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 2px;
}

.sidebar-menu-btn i { color: var(--text-light); transition: all 0.2s ease; }

/* Hover State */
.sidebar-menu-btn:hover { background: rgba(255, 255, 255, 0.05); color: #FFF; }
.sidebar-menu-btn:hover i { color: var(--warning-color); } /* Gold icons on hover */

/* Active State */
.sidebar-menu-btn.active, button.sidebar-menu-btn:not(.collapsed) {
    background: rgba(212, 175, 55, 0.1) !important; /* Soft Gold BG */
    color: var(--warning-color) !important;
    font-weight: 600;
    border-left: 4px solid var(--warning-color);
}
.sidebar-menu-btn.active i, button.sidebar-menu-btn:not(.collapsed) i { color: var(--warning-color); }

.sidebar-submenu { list-style: none; padding-left: 0; margin: 4px 0 8px 0; background: rgba(0, 0, 0, 0.15); border-radius: 8px; }
.sidebar-sub-link { color: var(--text-light); text-decoration: none; padding: 10px 15px 10px 48px; display: block; font-size: 0.85rem; transition: all 0.2s; }
.sidebar-sub-link:hover { color: #FFF; background: rgba(255, 255, 255, 0.03); padding-left: 52px; }
.sidebar-sub-link.active { color: var(--warning-color); background: rgba(212, 175, 55, 0.05); font-weight: 600; border-left: 2px solid var(--warning-color); }

.sidebar-menu-btn .bi-chevron-down { transition: transform 0.3s; font-size: 0.8rem; }
.sidebar-menu-btn:not(.collapsed) .bi-chevron-down { transform: rotate(180deg); }

/* =========================================
   COMPONENTS
   ========================================= */
.card { border-radius: 12px; border: 1px solid var(--border-color); background: var(--bg-white); box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); }
.card-header { background: transparent; border-bottom: 1px solid var(--border-color); padding: 1.25rem; }
.form-control, .form-select { border-color: var(--border-color); border-radius: 8px; color: var(--text-dark); background-color: var(--bg-white); }
.form-control:focus, .form-select:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px var(--primary-light); }

.status-badge { padding: 0.35rem 0.65rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; }
.status-badge.paid, .status-badge.active { background-color: var(--success-light); color: var(--success-hover); }
.status-badge.pending { background-color: var(--warning-light); color: var(--warning-hover); }
.status-badge.overdue, .status-badge.inactive { background-color: var(--danger-light); color: var(--danger-hover); }
.status-badge.partial { background-color: var(--info-light); color: var(--info-hover); }

/* MOBILE NAVIGATION */
@media (max-width: 767.98px) {
    .main-content { padding-bottom: 70px !important; }
    .sidebar-wrapper { position: fixed !important; top: var(--header-height, 64px) !important; bottom: 0 !important; right: -100% !important; left: auto !important; z-index: 1055 !important; transition: right 0.3s ease !important; }
    .sidebar-wrapper.mobile-show { right: 0 !important; box-shadow: -10px 0 30px rgba(0,0,0,0.5) !important; }
    
    .bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; width: 100%; background-color: var(--bg-white); display: flex; justify-content: space-around; padding: 8px 0; z-index: 1060; border-top: 1px solid var(--border-color); box-shadow: 0 -4px 10px rgba(0,0,0,0.05); }
    .bottom-nav-item { text-align: center; color: var(--text-muted); font-size: 0.7rem; flex-grow: 1; display: flex; flex-direction: column; align-items: center; }
    .bottom-nav-item i { font-size: 1.3rem; margin-bottom: 2px; }
    .bottom-nav-item.active { color: var(--primary-color); font-weight: 700; }
}
@media (min-width: 768px) { .bottom-nav { display: none !important; } }
/* ==========================================================================
   MOBILE APP ICON GRID (Switchboards)
   ========================================================================== */
.app-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    text-decoration: none;
    border: none;
    background: transparent;
    padding: 0.5rem 0.25rem;
    height: 100%;
    transition: transform 0.2s ease;
}

.app-card:active { transform: scale(0.95); }

/* Squircle Icon Shape */
.app-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 22.5%; /* Native iOS Squircle Look */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: var(--bg-white, #ffffff);
    margin-bottom: 8px;
    color: var(--primary-color);
}

.app-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.1;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.app-desc { display: none; } /* Hidden on mobile to look like a true app */

/* DESKTOP OVERRIDE: Reverts to elegant cards */
@media (min-width: 768px) {
    .app-card {
        border: 1px solid var(--border-color);
        border-radius: 16px;
        background: var(--bg-white);
        padding: 1.5rem 1rem;
        box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }
    .app-card:hover { border-color: var(--warning-color); transform: translateY(-4px); box-shadow: 0 8px 15px rgba(15, 76, 58, 0.1); }
    .app-card:active { transform: scale(1); }
    .app-icon-wrap { width: 50px; height: 50px; font-size: 20px; box-shadow: none; margin-bottom: 12px; }
    .app-title { font-size: 0.95rem; -webkit-line-clamp: 1; color: var(--primary-dark); }
    .app-desc { display: block; font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
}