:root {
    /* Backgrounds */
    --bg-page:        #050510;
    --bg-surface:     #0a0a1f;
    --bg-raised:      #0f0f2e;
    --bg-border:      #1a1a4a;

    /* Text */
    --text-primary:   #ffffff;
    --text-secondary: #a0aec0;
    --text-muted:     #4a5568;

    /* Accent */
    --accent:         #f6e05e;
    --accent-hover:   #ecc94b;
    --accent-text:    #050510;

    /* Status */
    --green:          #48bb78;
    --green-rgb:      72,187,120;
    --yellow:         #f6e05e;
    --yellow-rgb:     246,224,94;
    --red:            #fc8181;
    --red-rgb:        252,129,129;
    --blue:           #63b3ed;
    --blue-rgb:       99,179,237;
    --purple:         #b794f4;
    --purple-rgb:     183,148,244;
    --gray-rgb:       160,174,192;

    /* Functional */
    --link-color:          var(--blue);
    --link-hover:          var(--accent);
    --nav-bg:              #020209;
    --nav-border:          var(--bg-border);
    --table-header-bg:     #020209;
    --table-row-hover:     var(--bg-raised);
    --table-row-border:    var(--bg-raised);
    --input-bg:            var(--bg-raised);
    --input-border:        var(--bg-border);
    --input-focus:         var(--accent);
    --input-placeholder:   var(--text-muted);
    --scrollbar-thumb:     var(--bg-border);
    --scrollbar-thumb-hover: var(--bg-raised);
    --timeline-dot:        var(--accent);
    --timeline-line:       var(--bg-border);
    --kpi-border:          var(--accent);
    --card-border:         var(--bg-border);
    --card-bg:             var(--bg-surface);
    --badge-green-bg:  rgba(var(--green-rgb), 0.15);
    --badge-yellow-bg: rgba(var(--yellow-rgb), 0.15);
    --badge-red-bg:    rgba(var(--red-rgb), 0.15);
    --badge-blue-bg:   rgba(var(--blue-rgb), 0.15);
    --badge-purple-bg: rgba(var(--purple-rgb), 0.15);
    --badge-gray-bg:   rgba(var(--gray-rgb), 0.1);
}

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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    min-height: 100vh;
}

/* ===========================
   NAV
   =========================== */
nav {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    padding: 0 28px;
    height: 54px;
    display: flex;
    align-items: center;
    gap: 4px;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .logo {
    font-weight: 900;
    color: var(--accent);
    font-size: 16px;
    margin-right: 24px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    transition: color 0.15s, background 0.15s;
}

nav a:hover {
    color: var(--text-primary);
    background: var(--bg-raised);
}

nav a.active {
    color: var(--accent);
    background: var(--bg-raised);
    border-bottom: 2px solid var(--accent);
}

nav .nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

nav .nav-user {
    color: var(--text-secondary);
    font-size: 12px;
}

nav .nav-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
}

/* ===========================
   MAIN CONTENT
   =========================== */
main {
    padding: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
}

/* ===========================
   PAGE HEADER
   =========================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--nav-border);
}

.page-title-block h1 {
    margin-bottom: 2px;
}

.page-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===========================
   CARDS
   =========================== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 20px;
}

.card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--card-border);
}

/* ===========================
   KPI CARDS
   =========================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 18px;
    border-left: 3px solid var(--kpi-border);
}

.kpi-label {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.kpi-sub {
    font-size: 11px;
    margin-top: 6px;
    color: var(--text-muted);
}

.kpi-sub.positive { color: var(--green); }
.kpi-sub.negative { color: var(--red); }
.kpi-sub.warning  { color: var(--yellow); }

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
    text-decoration: none;
    letter-spacing: 0.5px;
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: var(--accent-text);
    text-decoration: none;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--input-border);
}

.btn-ghost:hover {
    background: var(--bg-raised);
    color: var(--text-primary);
    text-decoration: none;
}

.btn-danger {
    background: transparent;
    color: var(--red);
    border: 1px solid var(--red);
}

.btn-danger:hover {
    background: var(--badge-red-bg);
    text-decoration: none;
}

/* ===========================
   BADGES
   =========================== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge-green  { background: var(--badge-green-bg);  color: var(--green); }
.badge-yellow { background: var(--badge-yellow-bg); color: var(--yellow); }
.badge-red    { background: var(--badge-red-bg);    color: var(--red); }
.badge-blue   { background: var(--badge-blue-bg);   color: var(--blue); }
.badge-purple { background: var(--badge-purple-bg); color: var(--purple); }
.badge-gray   { background: var(--badge-gray-bg);   color: var(--text-muted); }

/* ===========================
   AUTH / LOGIN
   =========================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    font-size: 22px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.login-subtitle {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 32px;
    letter-spacing: 1px;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: var(--accent-text);
    border: none;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.15s;
}

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

.error-msg {
    background: var(--badge-red-bg);
    color: var(--red);
    border: 1px solid var(--red);
    border-radius: 5px;
    padding: 10px 14px;
    font-size: 12px;
    margin-bottom: 16px;
}

/* ===========================
   TABLES
   =========================== */
.table-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead {
    background: var(--table-header-bg);
}

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
}

td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--table-row-border);
    color: var(--text-secondary);
    vertical-align: middle;
    overflow-wrap: break-word;
    word-break: break-word;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--table-row-hover);
}

td.primary-cell {
    color: var(--text-primary);
    font-weight: 600;
}

td.link-cell {
    color: var(--link-color);
    cursor: pointer;
    font-weight: 600;
}

td.link-cell:hover {
    color: var(--link-hover);
}

/* ===========================
   FORMS
   =========================== */
.form-group {
    margin-bottom: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

label {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 6px;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
input[type="url"],
input[type="tel"],
select,
textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 5px;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.15s;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--input-focus);
}

input::placeholder,
textarea::placeholder {
    color: var(--input-placeholder);
}

textarea {
    resize: vertical;
    min-height: 90px;
    line-height: 1.5;
}

select option {
    background: var(--input-bg);
    color: var(--text-primary);
}

/* ===========================
   LAYOUT GRIDS
   =========================== */
.grid-2       { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3       { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4       { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 16px; }
.grid-sidebar { display: grid; grid-template-columns: 300px 1fr; gap: 20px; }

/* ===========================
   DIVIDERS & SPACING
   =========================== */
hr {
    border: none;
    border-top: 1px solid var(--card-border);
    margin: 20px 0;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ===========================
   TIMELINE
   =========================== */
.timeline {
    padding-left: 20px;
    border-left: 2px solid var(--timeline-line);
}

.timeline-item {
    margin-bottom: 16px;
    position: relative;
}

.timeline-item::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--timeline-dot);
    position: absolute;
    left: -26px;
    top: 4px;
}

.timeline-date {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 3px;
}

.timeline-text {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===========================
   SCROLLBAR
   =========================== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* ===========================
   SEARCH / FILTER BAR
   =========================== */
.search-filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.search-filter-bar input[type="text"] {
    flex: 1;
    min-width: 200px;
}

.search-filter-bar select {
    width: auto;
}

/* ===========================
   EMPTY STATE
   =========================== */
.empty-table {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}
/* ===========================
   DETAIL PAGES
   =========================== */
.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-border);
    gap: 16px;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    min-width: 120px;
    padding-top: 2px;
}

.detail-value {
    font-size: 13px;
    color: var(--text-primary);
    text-align: right;
    flex: 1;
}

.page-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}