/* ===== DIA API Platform - Institutional Design ===== */
:root {
    --dia-blue: #1a3a7a;
    --dia-blue-dark: #0f2654;
    --dia-blue-light: #2d5aa0;
    --dia-red: #cc2936;
    --dia-red-dark: #a11f2a;
    --dia-gray: #f0f2f5;
    --dia-gray-dark: #e2e6ea;
    --dia-white: #ffffff;
    --dia-text: #333333;
    --dia-text-muted: #6c757d;
    --sidebar-width: 260px;
    --top-navbar-height: 56px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dia-gray);
    color: var(--dia-text);
    margin: 0;
    padding: 0;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: linear-gradient(180deg, var(--dia-blue-dark) 0%, var(--dia-blue) 100%);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar.collapsed {
    transform: translateX(calc(-1 * var(--sidebar-width)));
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-diamond {
    width: 48px;
    height: 48px;
    background: var(--dia-red);
    transform: rotate(45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(204, 41, 54, 0.4);
}

.logo-diamond .dia-text {
    transform: rotate(-45deg);
    color: white;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 1px;
}

.brand-info {
    color: white;
}

.brand-info h6 {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 0;
}

.brand-info small {
    font-size: 11px;
    opacity: 0.8;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    font-size: 14px;
}

.sidebar-nav .nav-link:hover {
    color: white;
    background: rgba(255,255,255,0.1);
    border-left-color: var(--dia-red);
}

.sidebar-nav .nav-link.active {
    color: white;
    background: rgba(255,255,255,0.15);
    border-left-color: var(--dia-red);
}

.sidebar-nav .nav-link i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* ===== Page Content ===== */
#page-content-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ===== Top Navbar ===== */
.top-navbar {
    height: var(--top-navbar-height);
    background: var(--dia-white);
    border-bottom: 1px solid var(--dia-gray-dark);
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.user-info {
    font-weight: 500;
    color: var(--dia-text);
}

/* ===== KPI Cards ===== */
.kpi-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
}

.kpi-card .card-body {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 1.25rem;
}

.kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.kpi-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    color: var(--dia-text);
}

.kpi-info p {
    font-size: 13px;
    color: var(--dia-text-muted);
    margin: 0;
}

/* ===== Cards ===== */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.card-header {
    background: var(--dia-white);
    border-bottom: 1px solid var(--dia-gray-dark);
    padding: 1rem 1.25rem;
    border-radius: 12px 12px 0 0 !important;
}

.card-header h6 {
    font-weight: 600;
    color: var(--dia-text);
}

/* ===== Tables ===== */
.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--dia-gray);
    border-bottom: none;
    font-weight: 600;
    font-size: 13px;
    color: var(--dia-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody td {
    vertical-align: middle;
    padding: 0.875rem 1rem;
    font-size: 14px;
}

.table-hover tbody tr:hover {
    background-color: rgba(26, 58, 122, 0.04);
}

/* ===== Buttons ===== */
.btn-primary {
    background: var(--dia-blue);
    border-color: var(--dia-blue);
}

.btn-primary:hover {
    background: var(--dia-blue-dark);
    border-color: var(--dia-blue-dark);
}

.btn-outline-primary {
    color: var(--dia-blue);
    border-color: var(--dia-blue);
}

.btn-outline-primary:hover {
    background: var(--dia-blue);
    border-color: var(--dia-blue);
}

.btn-danger {
    background: var(--dia-red);
    border-color: var(--dia-red);
}

/* ===== Badges ===== */
.badge {
    font-weight: 500;
    font-size: 12px;
    padding: 0.35em 0.65em;
}

/* ===== Login Page ===== */
.login-page {
    background: linear-gradient(135deg, var(--dia-blue-dark) 0%, var(--dia-blue) 50%, var(--dia-red) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
}

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

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 1rem;
}

.login-logo .dia-text {
    font-size: 22px;
}

.login-header h4 {
    font-weight: 700;
    color: var(--dia-blue);
    font-size: 18px;
    margin-bottom: 0.25rem;
}

.login-header p {
    font-size: 13px;
}

/* ===== Forms ===== */
.form-label {
    font-weight: 500;
    font-size: 13px;
    color: var(--dia-text);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--dia-gray-dark);
    padding: 0.6rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--dia-blue);
    box-shadow: 0 0 0 3px rgba(26, 58, 122, 0.15);
}

.input-group-text {
    background: var(--dia-gray);
    border: 1px solid var(--dia-gray-dark);
}

/* ===== Alerts ===== */
.alert {
    border-radius: 10px;
    border: none;
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(calc(-1 * var(--sidebar-width)));
    }
    .sidebar.show {
        transform: translateX(0);
    }
    #page-content-wrapper {
        margin-left: 0;
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.kpi-card, .card {
    animation: fadeIn 0.4s ease-out;
}

/* ===== Code blocks ===== */
code {
    background: var(--dia-gray);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 13px;
    color: var(--dia-red);
}

/* ===== Editor SQL ===== */
.sql-editor {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 8px;
}

.sql-editor:focus-within {
    border-color: #58a6ff;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.18);
}

.sql-editor pre,
.sql-editor textarea {
    width: 100%;
    min-height: 340px;
    margin: 0;
    padding: 1rem;
    border: 0 !important;
    border-radius: 0;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.875rem;
    line-height: 1.55;
    letter-spacing: normal;
    tab-size: 4;
    white-space: pre;
    overflow: auto;
}

.sql-editor pre {
    position: absolute;
    inset: 0;
    pointer-events: none;
    color: #c9d1d9;
    background: transparent;
}

.sql-editor pre code {
    padding: 0;
    border-radius: 0;
    color: inherit;
    background: transparent;
    font: inherit;
}

.sql-editor textarea {
    position: relative;
    z-index: 1;
    display: block;
    color: transparent !important;
    caret-color: #f0f6fc;
    background: transparent !important;
    outline: none;
    resize: vertical;
}

.sql-editor textarea::selection {
    background: rgba(88, 166, 255, 0.35);
}

.sql-keyword { color: #ff7b72; font-weight: 600; }
.sql-string { color: #a5d6ff; }
.sql-parameter { color: #d2a8ff; font-weight: 600; }
.sql-comment { color: #8b949e; font-style: italic; }
.sql-number { color: #79c0ff; }
.sql-table { color: #ffa657; font-weight: 600; }
.sql-alias { color: #7ee787; }
.sql-attribute { color: #d2a8ff; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--dia-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--dia-blue-light);
    border-radius: 3px;
}