/* Ocean Gates Cost Dashboard Theme */
:root {
    --og-blue: #1a5276;
    --og-teal: #0e6655;
    --og-accent: #2980b9;
    --og-light: #eaf2f8;
    --og-white: #ffffff;
    --og-gray: #ecf0f1;
    --og-text: #2c3e50;
    --og-muted: #7f8c8d;
    --og-danger: #c0392b;
    --og-success: #27ae60;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--og-light) 0%, #d6eaf8 100%);
    color: var(--og-text);
    min-height: 100vh;
}
/* Header with Logo */
.og-header {
    background: var(--og-white);
    border-bottom: 3px solid var(--og-blue);
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(26,82,118,0.1);
}
.og-header .logo {
    height: 45px;
    margin-right: 20px;
}
.og-header .brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--og-blue);
    letter-spacing: -0.5px;
}
.og-header .user-info {
    font-size: 0.85rem;
    color: var(--og-muted);
}

/* Page Title */
.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--og-blue);
    margin-bottom: 0;
}
.page-subtitle {
    font-size: 0.9rem;
    color: var(--og-muted);
}
/* Cards */
.og-card {
    background: var(--og-white);
    border-radius: 12px;
    border: 1px solid rgba(26,82,118,0.08);
    box-shadow: 0 4px 20px rgba(26,82,118,0.06);
    overflow: hidden;
}
.og-card .card-header {
    background: linear-gradient(135deg, var(--og-blue), #1a6a8a);
    color: var(--og-white);
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
}

/* Table */
.og-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.og-table thead th {
    background: var(--og-blue);
    color: var(--og-white);
    padding: 12px 16px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
    border: none;
}
.og-table thead th:first-child { border-radius: 8px 0 0 0; }
.og-table thead th:last-child { border-radius: 0 8px 0 0; }
.og-table tbody td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--og-gray);
    vertical-align: middle;
}
.og-table tbody tr:hover {
    background: var(--og-light);
    transition: background 0.15s ease;
}
.og-table tbody tr:last-child td { border-bottom: none; }
.og-table .id-cell {
    color: var(--og-muted);
    font-weight: 700;
    font-size: 0.82rem;
}
.og-table .project-name {
    color: var(--og-blue);
    font-weight: 600;
}
.og-table .amount {
    text-align: right;
    font-weight: 600;
    color: var(--og-teal);
}
.og-table .amount-vat {
    text-align: right;
    font-weight: 700;
    color: var(--og-blue);
    font-size: 0.95rem;
}
/* Buttons */
.btn-og {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.82rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-og-primary {
    background: var(--og-blue);
    color: var(--og-white);
}
.btn-og-primary:hover {
    background: #14506b;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,82,118,0.25);
    color: var(--og-white);
}
.btn-og-outline {
    background: transparent;
    color: var(--og-blue);
    border: 1.5px solid var(--og-blue);
}
.btn-og-outline:hover {
    background: var(--og-blue);
    color: var(--og-white);
}
.btn-og-danger {
    background: transparent;
    color: var(--og-danger);
    border: 1.5px solid var(--og-danger);
}
.btn-og-danger:hover {
    background: var(--og-danger);
    color: var(--og-white);
}
.btn-og-lg {
    padding: 10px 28px;
    font-size: 0.9rem;
    border-radius: 8px;
}

/* Badges */
.og-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.og-badge-danger { background: var(--og-danger); color: #fff; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--og-muted);
}