/* =========================================================
   PREMIUM ERP / CRM DASHBOARD UI
========================================================= */

/* =========================
   GOOGLE FONT
========================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =========================
   ROOT VARIABLES
========================= */
:root {

    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;

    --secondary: #10b981;
    --secondary-dark: #059669;

    --accent: #f59e0b;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;

    --dark: #0f172a;
    --dark-2: #1e293b;
    --dark-3: #334155;

    --gray-bg: #f8fafc;
    --gray-light: #f1f5f9;
    --gray-border: #e2e8f0;
    --gray-text: #64748b;

    --white: #ffffff;

    --radius-sm: 12px;
    --radius: 18px;
    --radius-lg: 24px;
    --radius-xl: 30px;

    --shadow-sm: 0 2px 8px rgba(15,23,42,0.04);
    --shadow: 0 10px 25px rgba(15,23,42,0.08);
    --shadow-lg: 0 20px 45px rgba(15,23,42,0.12);

    --transition: all 0.25s ease;

    --sidebar-width: 280px;
}

/* =========================================================
   GLOBAL RESET
========================================================= */

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

/* =========================================================
   BODY
========================================================= */

html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;

    font-family: 'Inter', sans-serif;

    background:
        radial-gradient(circle at top left,
        rgba(37,99,235,0.05),
        transparent 30%),

        radial-gradient(circle at bottom right,
        rgba(16,185,129,0.05),
        transparent 30%),

        var(--gray-bg);

    color: var(--dark);

    scroll-behavior: smooth;

    transition: var(--transition);
}

/* =========================================================
   SCROLLBAR
========================================================= */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(
        180deg,
        var(--primary),
        var(--secondary)
    );
    border-radius: 20px;
}

/* =========================================================
   WRAPPER
========================================================= */

.wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* =========================================================
   SIDEBAR
========================================================= */

.sidebar {

    position: fixed;

    top: 0;
    left: 0;

    width: var(--sidebar-width);
    height: 100vh;

    background:
        linear-gradient(
            180deg,
            #0f172a 0%,
            #111827 40%,
            #1e293b 100%
        );

    border-right: 1px solid rgba(255,255,255,0.06);

    box-shadow:
        8px 0 40px rgba(15,23,42,0.2);

    z-index: 1100;

    overflow-y: auto;

    transition: var(--transition);
}

/* Sidebar Glow */
.sidebar::before {

    content: '';

    position: absolute;

    top: -120px;
    right: -120px;

    width: 240px;
    height: 240px;

    background: rgba(37,99,235,0.15);

    border-radius: 50%;

    filter: blur(50px);
}

/* =========================
   SIDEBAR BRAND
========================= */

.sidebar .brand {

    padding: 28px 24px;

    border-bottom:
        1px solid rgba(255,255,255,0.06);

    position: relative;
}

.sidebar .brand h3 {

    font-size: 1.7rem;

    font-weight: 900;

    letter-spacing: -0.5px;

    background:
        linear-gradient(
            135deg,
            #ffffff 0%,
            #93c5fd 40%,
            #10b981 100%
        );

    -webkit-background-clip: text;
    background-clip: text;

    color: transparent;
}

/* =========================
   SIDEBAR LINKS
========================= */

.sidebar-nav {
    padding: 16px 10px 30px;
}

.sidebar .nav-link {

    display: flex;
    align-items: center;
    gap: 14px;

    padding: 14px 18px;

    margin-bottom: 8px;

    border-radius: 18px;

    text-decoration: none;

    color: rgba(255,255,255,0.75);

    font-weight: 600;

    transition: var(--transition);

    position: relative;

    overflow: hidden;
}

.sidebar .nav-link::before {

    content: '';

    position: absolute;

    left: -100%;
    top: 0;

    width: 100%;
    height: 100%;

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(255,255,255,0.08),
            transparent
        );

    transition: 0.5s;
}

.sidebar .nav-link:hover::before {
    left: 100%;
}

.sidebar .nav-link i {

    width: 22px;

    font-size: 1.1rem;

    text-align: center;
}

.sidebar .nav-link:hover {

    background:
        linear-gradient(
            135deg,
            rgba(37,99,235,0.25),
            rgba(16,185,129,0.18)
        );

    color: #fff;

    transform: translateX(4px);
}

.sidebar .nav-link.active {

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    color: #fff;

    box-shadow:
        0 10px 20px rgba(37,99,235,0.25);
}

/* =========================================================
   MAIN CONTENT
========================================================= */

.main-content {

    flex: 1;

    margin-left: var(--sidebar-width);

    width: calc(100% - var(--sidebar-width));

    min-height: 100vh;

    padding: 28px;

    overflow-x: hidden;

    transition: var(--transition);
}

/* =========================================================
   TOP NAVBAR
========================================================= */

.top-navbar-static {

    position: relative;

    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            #0f172a 0%,
            #1e293b 100%
        );

    border-radius: var(--radius-lg);

    padding: 18px 24px;

    margin-bottom: 28px;

    box-shadow: var(--shadow);
}

.top-navbar-static::before {

    content: '';

    position: absolute;

    top: -80px;
    right: -80px;

    width: 180px;
    height: 180px;

    background: rgba(255,255,255,0.05);

    border-radius: 50%;
}

.top-navbar-static h5 {

    color: #fff;

    font-weight: 800;

    margin: 0;
}

/* =========================================================
   PREMIUM CARDS
========================================================= */

.stat-card,
.analytics-card {

    background:
        rgba(255,255,255,0.75);

    backdrop-filter: blur(12px);

    border:
        1px solid rgba(255,255,255,0.4);

    border-radius: var(--radius-lg);

    box-shadow: var(--shadow);

    transition: var(--transition);

    overflow: hidden;

    position: relative;
}

.stat-card::before,
.analytics-card::before {

    content: '';

    position: absolute;

    top: 0;
    left: 0;

    width: 100%;
    height: 4px;

    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--secondary)
        );
}

.stat-card:hover,
.analytics-card:hover {

    transform: translateY(-6px);

    box-shadow: var(--shadow-lg);
}

/* =========================
   STAT CARD
========================= */

.stat-card {

    padding: 26px;
}

.stat-card .stat-icon {

    width: 62px;
    height: 62px;

    border-radius: 20px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 1.5rem;

    background:
        linear-gradient(
            135deg,
            rgba(37,99,235,0.15),
            rgba(16,185,129,0.15)
        );

    color: var(--primary);
}

.stat-card h3 {

    font-size: 2rem;

    font-weight: 900;

    margin: 18px 0 6px;
}

.stat-card p {

    color: var(--gray-text);

    font-weight: 500;
}

/* =========================
   GRADIENT CARD
========================= */

.gradient-stat {

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    color: white;
}

.gradient-stat p {
    color: rgba(255,255,255,0.8);
}

.gradient-stat .stat-icon {

    background:
        rgba(255,255,255,0.15);

    color: white;
}

/* =========================================================
   ANALYTICS CARD
========================================================= */

.analytics-card {

    padding: 24px;

    margin-bottom: 24px;
}

.analytics-card h5 {

    font-weight: 800;

    margin-bottom: 20px;

    display: flex;
    align-items: center;
    gap: 10px;
}

/* =========================================================
   TABLES
========================================================= */

.table-responsive {

    overflow-x: auto;

    border-radius: var(--radius);

    width: 100%;
}

.table {

    margin-bottom: 0;

    vertical-align: middle;
}

.table thead th {

    background: #f8fafc;

    border-bottom: none;

    padding: 18px;

    font-size: 0.9rem;

    text-transform: uppercase;

    letter-spacing: 0.5px;

    color: var(--gray-text);

    font-weight: 700;
}

.table tbody td {

    padding: 18px;

    border-color: #f1f5f9;
}

.table tbody tr {

    transition: var(--transition);
}

.table tbody tr:hover {

    background: rgba(37,99,235,0.03);
}

/* =========================================================
   BUTTONS
========================================================= */

.btn {

    border-radius: 14px !important;

    font-weight: 600 !important;

    transition: var(--transition) !important;
}

.btn-gradient {

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    border: none;

    color: #fff;

    padding: 12px 22px;
}

.btn-gradient:hover {

    transform: translateY(-2px);

    box-shadow:
        0 10px 20px rgba(37,99,235,0.25);

    color: #fff;
}

.btn-primary {

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-light)
        ) !important;

    border: none !important;
}

.btn-success {

    background:
        linear-gradient(
            135deg,
            var(--secondary),
            var(--secondary-dark)
        ) !important;

    border: none !important;
}

/* =========================================================
   FORM CONTROLS
========================================================= */

.form-control,
.form-select {

    border-radius: 14px !important;

    border:
        1px solid var(--gray-border) !important;

    min-height: 50px;

    box-shadow: none !important;

    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {

    border-color: var(--primary) !important;

    box-shadow:
        0 0 0 4px rgba(37,99,235,0.12) !important;
}

/* =========================================================
   MODALS
========================================================= */

.modal-content {

    border: none !important;

    border-radius: 28px !important;

    overflow: hidden;

    box-shadow:
        0 30px 60px rgba(15,23,42,0.25);
}

.modal-header {

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    color: white;

    border-bottom: none;

    padding: 22px 26px;
}

.modal-body {
    padding: 28px;
}

.modal-footer {

    border-top: 1px solid #f1f5f9;

    padding: 20px 26px;
}

.modal-backdrop.show {
    opacity: 0.65 !important;
}

/* =========================================================
   DARK MODE
========================================================= */

body.dark-mode {

    background:
        linear-gradient(
            135deg,
            #020617,
            #0f172a
        );
}

body.dark-mode .stat-card,
body.dark-mode .analytics-card,
body.dark-mode .modal-content {

    background:
        rgba(30,41,59,0.88);

    color: #f8fafc;

    border-color:
        rgba(255,255,255,0.05);
}

body.dark-mode .table thead th {

    background: #0f172a;

    color: #cbd5e1;
}

body.dark-mode .table tbody td {

    border-color:
        rgba(255,255,255,0.05);
}

body.dark-mode .table tbody tr:hover {

    background:
        rgba(255,255,255,0.03);
}

body.dark-mode .form-control,
body.dark-mode .form-select {

    background: #334155 !important;

    color: #fff !important;

    border-color: #475569 !important;
}

body.dark-mode .form-control::placeholder {
    color: #94a3b8;
}

/* =========================================================
   MOBILE SIDEBAR
========================================================= */

#sidebarToggle {
    display: none;
}

@media (max-width: 992px) {

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {

        margin-left: 0 !important;

        width: 100% !important;

        padding: 80px 16px 24px !important;
    }

    #sidebarToggle {

        display: flex;

        align-items: center;
        justify-content: center;

        position: fixed;

        top: 14px;
        left: 14px;

        width: 48px;
        height: 48px;

        border-radius: 50%;

        background: white;

        z-index: 1200;

        box-shadow: var(--shadow);

        cursor: pointer;
    }

    body.dark-mode #sidebarToggle {

        background: #1e293b;

        color: white;
    }
}

/* =========================================================
   UTILITIES
========================================================= */

.container,
.container-fluid,
.row {
    max-width: 100%;
}

img,
canvas {
    max-width: 100%;
    height: auto;
}

.row {
    margin-left: 0;
    margin-right: 0;
}

.row > [class*="col-"] {

    padding-left: 12px;
    padding-right: 12px;
}

/* =========================================================
   ANIMATIONS
========================================================= */

@keyframes fadeInUp {

    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.analytics-card,
.stat-card {

    animation: fadeInUp 0.4s ease;
}
.department-section{
    background:#fff;
    border-radius:24px;
    padding:24px;
    margin-bottom:24px;
    box-shadow:0 10px 30px rgba(0,0,0,.05);
}

.department-header{
    font-size:18px;
    font-weight:700;
    color:#0f172a;
    margin-bottom:20px;
    padding-bottom:14px;
    border-bottom:1px solid #e2e8f0;
}

.employee-tree li{
    position:relative;
}

.employee-tree li::before{
    content:'';
    position:absolute;
    left:14px;
    top:0;
    bottom:0;
    width:2px;
    background:#dbeafe;
}

.tree-node{
    position:relative;
    z-index:2;
    background:#fff;
    border-radius:18px;
    border:1px solid #e2e8f0;
    padding:16px;
    margin-bottom:14px;
    transition:.3s;
}

.tree-node:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 25px rgba(37,99,235,.08);
}

.tree-actions .btn{
    border-radius:12px;
}

.empty-department{
    color:#94a3b8;
    padding:20px;
}

body.dark-mode .department-section{
    background:#1e293b;
}

body.dark-mode .department-header{
    color:white;
    border-color:#334155;
}

body.dark-mode .tree-node{
    background:#0f172a;
    border-color:#334155;
}