/* Global Base Styles - Dashboard Theme */

:root {
    /* Modern Palette */
    --primary-blue: #3b82f6;
    /* Modern bright blue */
    --primary-blue-hover: #2563eb;
    --primary-orange: #f59e0b;
    --primary-dark: #1e293b;
    --text-main: #1f2937;
    --text-muted: #6b7280;

    /* Layout */
    --topnav-height: 70px;
    --sidebar-width: 240px;
    --sidebar-collapsed-width: 72px;

    /* Glassmorphism & Backgrounds */
    --bg-gradient: linear-gradient(135deg, #f0f4ff 0%, #eef2ff 100%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --blur-strength: blur(12px);

    --border-radius: 16px;
    --font-family: 'Inter', sans-serif;
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    background-attachment: fixed;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/* Top Navigation */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: var(--blur-strength);
    -webkit-backdrop-filter: var(--blur-strength);
    border-bottom: var(--glass-border);
    color: var(--primary-dark);
    padding: 0 2rem;
    height: var(--topnav-height);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-nav .left-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-nav .sidebar-toggle {
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--primary-dark);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.top-nav .sidebar-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.top-nav h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary-blue), #1e40af);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.top-nav h1 a {
    color: inherit;
    text-decoration: none;
}

.top-nav h1 a:hover {
    opacity: 1;
    color: var(--primary-blue);
    -webkit-text-fill-color: var(--primary-blue);
}

.top-nav .nav-links a {
    margin-left: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.top-nav .nav-links a:hover {
    color: var(--primary-blue);
}

/* User Info in Top Nav */
.user-info {
    text-align: right;
    padding-right: 12px;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.user-info .user-name {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
}

.user-info .user-org {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Container Layout */
.container {
    display: flex;
    min-height: calc(100vh - var(--topnav-height));
    overflow-x: hidden;
}

/* Sidebar */
.side-nav {
    width: var(--sidebar-width);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: var(--blur-strength);
    -webkit-backdrop-filter: var(--blur-strength);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    gap: 0.8rem;
    position: fixed;
    left: 0;
    top: var(--topnav-height);
    height: calc(100vh - var(--topnav-height));
    overflow-y: auto;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    z-index: 900;
}

.side-nav a {
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.95rem;
}

.side-nav a:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary-blue);
    transform: translateX(4px);
}

.side-nav a.active {
    background: var(--primary-blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.side-nav .nav-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.8rem;
    transition: background 0.2s;
}

.side-nav a:hover .nav-icon {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-blue);
}

.side-nav a.active .nav-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.side-nav .nav-label {
    display: inline-block;
}

/* Collapsed sidebar */
.side-nav.collapsed {
    width: var(--sidebar-collapsed-width);
    padding-left: 0.4rem;
    padding-right: 0.4rem;
}

.side-nav.collapsed a {
    justify-content: center;
}

.side-nav.collapsed .nav-label {
    display: none;
}

.side-nav.collapsed .nav-icon {
    margin: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2.5rem;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.22s ease, padding 0.22s ease;
    overflow-x: auto;
}

.side-nav.collapsed~.main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Card Design */
.card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-strength);
    -webkit-backdrop-filter: var(--blur-strength);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.12);
}

/* Buttons */
button {
    background: linear-gradient(135deg, var(--primary-blue), #2563eb);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    letter-spacing: 0.01em;
}

button:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

/* Flash Messages */
.flash {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.flash.success {
    background: #d1e7dd;
    color: #0f5132;
}

.flash.error {
    background: #f8d7da;
    color: #842029;
}

/* Form Inputs */
input,
textarea,
select {
    width: 100%;
    padding: 0.8rem 1rem;
    margin-top: 0.4rem;
    margin-bottom: 1.2rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    transition: all 0.2s;
    font-family: var(--font-family);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* Page Transition Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.page-loader.active {
    opacity: 1;
    pointer-events: all;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(59, 130, 246, 0.1);
    border-left-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    margin-bottom: 1rem;
}

.loader-text {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
    }

    .side-nav {
        position: relative;
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        padding: 0.6rem;
        height: auto;
        top: 0;
    }

    .side-nav.collapsed {
        width: 100%;
    }

    .main-content {
        margin-left: 0;
        padding-top: calc(var(--topnav-height) + 1rem);
    }

    .side-nav a {
        flex: 1;
        text-align: center;
        margin: 0 0.3rem;
    }
}