:root {
    --bg-dark-panel: #111215;
    --sidebar-bg: #1a1c22;
    --main-bg: #f4f6f9;
    --card-bg: #ffffff;
    --accent-gold: #8c765c;
    --accent-hover: #736049;
    --text-primary: #2d3138;
    --text-muted: #6e7682;
    --border-color: #e2e7ee;
}

/* Base Configuration Rules */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Auth Layout (Login / Signup Workspace) */
.auth-body {
    background-color: var(--bg-dark-panel);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.auth-wrapper {
    width: 100%;
    max-width: 450px;
    padding: 1rem;
}

.auth-tabs {
    display: flex;
    margin-bottom: -1px;
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    color: #a0aec0;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    border-radius: 5px 5px 0 0;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--card-bg);
    color: var(--text-primary);
    font-weight: 600;
}

.auth-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 0 0 8px 8px;
    display: none; /* Hidden by default; JavaScript shows the active one */
}

.auth-card.active { 
    display: block; 
}

.auth-card h2 { 
    font-size: 1.5rem; 
    margin-bottom: 0.3rem; 
    font-weight: 500; 
    color: var(--text-primary);
}

.auth-card p { 
    color: var(--text-muted); 
    font-size: 0.9rem; 
    margin-bottom: 2rem; 
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.2rem;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--accent-gold);
}

.btn {
    padding: 0.75rem 1.8rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: none;
    transition: background 0.2s;
}

.btn-primary { 
    background-color: var(--accent-gold); 
    color: #fff; 
}

.btn-primary:hover { 
    background-color: var(--accent-hover); 
}

.btn-full { 
    width: 100%; 
    margin-top: 1rem; 
}

/* Sidebar & Dashboard Styles */
.admin-body {
    display: flex;
    background-color: var(--main-bg);
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: #ffffff;
    padding: 2rem 1.5rem;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
}

.sidebar-brand {
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 3rem;
}

.sidebar-brand span { color: var(--accent-gold); }

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li { margin-bottom: 0.8rem; }

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    color: #a0aec0;
    text-decoration: none;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.sidebar-menu li a i { margin-right: 12px; width: 20px; }

.sidebar-menu li a:hover, 
.sidebar-menu li a.active {
    background-color: var(--accent-gold);
    color: #ffffff;
}

.admin-main {
    margin-left: 260px;
    flex-grow: 1;
    padding: 3rem;
}

.main-header { margin-bottom: 2.5rem; }
.main-header h2 { font-size: 1.8rem; color: var(--text-primary); font-weight: 400; }
.main-header p { color: var(--text-muted); margin-top: 0.2rem; }

.upload-form {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row.match-three {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.form-group textarea, .form-group select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.95rem;
    outline: none;
}

.form-divider {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

.gallery-upload-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.gallery-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr auto;
    gap: 1rem;
    align-items: center;
    background: #f8fafc;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px dashed var(--border-color);
}

.btn-secondary { background-color: #edf2f7; color: var(--text-primary); }
.btn-secondary:hover { background-color: #e2e8f0; }
.btn-danger { background-color: #fed7d7; color: #c53030; padding: 0.75rem;}
.btn-danger:hover { background-color: #f5c6c6; }

@media (max-width: 768px) {
    .admin-body { flex-direction: column; }
    .admin-sidebar { width: 100%; height: auto; position: relative; padding: 1.5rem; }
    .sidebar-brand { margin-bottom: 1rem; }
    .sidebar-menu { display: flex; justify-content: space-between; gap: 10px; }
    .sidebar-menu li { margin-bottom: 0; flex: 1; text-align: center; }
    .admin-main { margin-left: 0; padding: 1.5rem; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .gallery-row { grid-template-columns: 1fr; }
}

/*------------------------------------------------*/
/* Sidebar Menu Category and Submenu Structures */
.menu-category {
    margin-top: 1.5rem;
}

.category-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #6e7682;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.submenu {
    list-style: none;
    padding-left: 0.8rem;
    margin-top: 0.3rem;
}

.submenu li a {
    padding: 0.6rem 1rem !important;
    font-size: 0.88rem !important;
}

.logout-item {
    margin-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1rem;
}

/* Dashboard Welcome Canvas View Card */
.dashboard-welcome-card {
    background: #ffffff;
    border: 2px dashed #e2e7ee;
    border-radius: 8px;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-primary);
}

.dashboard-welcome-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.dashboard-welcome-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 500px;
    margin: 0 auto;
}
/* Metric Summary Card Interactions */
.metric-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.06) !important;
}

/* Project Ledger Styling Additions -----------------view projects */
.project-ledger-table tbody tr:hover {
    background-color: #f8fafc;
}

/* Operational Status Dynamic Badges */
.status-completed {
    background-color: #def7ec;
    color: #03543f;
}
.status-under-construction {
    background-color: #fef3c7;
    color: #92400e;
}
.status-sanctioned {
    background-color: #e1effe;
    color: #1e429f;
}
.status-conceptual {
    background-color: #e5e7eb;
    color: #374151;
}

/* ==========================================================================
   RESPONSIVE SIDEBAR MOBILE TOGGLE ENGINE
   ========================================================================== */

/* Hidden by default on standard desktop configurations */
.mobile-toggle-header {
    display: none;
    background-color: var(--sidebar-bg);
    padding: 1rem;
    align-items: center;
    justify-content: space-between;
    margin: -3rem -3rem 2rem -3rem; /* Aligns box perfectly within main element padding */
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-brand {
    color: #ffffff;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}
.mobile-brand span { color: var(--accent-gold); }

.toggle-btn {
    background: var(--accent-gold);
    color: #ffffff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
}
.toggle-btn:hover { background-color: var(--accent-hover); }

/* MOBILE BREAKPOINT CORRECTIONS (Media Query Override) */
@media (max-width: 720px) {
    .mobile-toggle-header {
        display: flex; /* Show the top menu bar on mobile screens */
    }

    .admin-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 260px;
        height: 100vh;
        z-index: 9999;
        /* Push sidebar completely off-screen to the left */
        transform: translateX(-100%); 
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 4px 0 15px rgba(0, 0, 0, 0.2);
    }

    /* When this class is appended via JS, slide the sidebar into view smoothly */
    .admin-sidebar.mobile-open {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0 !important;
        padding: 2rem 1.5rem !important;
    }

    .sidebar-menu {
        display: block !important; /* Fixes previous flex rule to stack menus vertically */
    }
    
    .sidebar-menu li {
        margin-bottom: 0.8rem;
        text-align: left !important;
    }
}