@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #1a7fe9;
    --primary-hover: #1565c0;
    --bg-color: #f5f6f8;
    --sidebar-bg: #fdfdfd;
    --topbar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-muted: #777777;
    --border-color: #eaeaea;
    --danger: #e53935;
    --warning: #f9a825;
    --success: #43a047;
    --info: #0288d1;
    --sidebar-width: 220px;
    --topbar-height: 56px;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background-color: var(--topbar-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: var(--sidebar-width);
}

.brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a365d;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-icon {
    color: var(--primary-color);
}

.topbar-center {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    padding: 0 2rem;
}

.search-bar {
    width: 100%;
    max-width: 600px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.5rem 1rem;
    padding-right: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
    background-color: #fcfcfc;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #fff;
}

.search-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.welcome-text {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    background: #eef5fc;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: var(--topbar-height);
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar-nav {
    flex-grow: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.nav-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.nav-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.nav-item:hover svg {
    opacity: 1;
}

.nav-item.active {
    background-color: #f8f9fa;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.nav-item.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding: 1.25rem;
    border-top: 1px solid var(--border-color);
    background-color: #fafafa;
}

.last-clock {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.clock-btn {
    width: 100%;
    padding: 0.5rem;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.clock-btn:hover {
    background-color: var(--primary-hover);
}

/* Main Content */
.main-wrapper {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: #fff;
}

.tabs-bar {
    border-bottom: 1px solid var(--primary-color);
    padding: 0 2rem;
    display: flex;
    align-items: flex-end;
}

.tab {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    text-transform: uppercase;
}

.content {
    padding: 2rem;
    background-color: #fff;
    flex-grow: 1;
}

/* Dashboard Specific Layout (Two columns) */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

/* Cards / Widgets */
.widget {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.widget-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.widget-body {
    padding: 1rem;
}

.widget-body.no-padding {
    padding: 0;
}

.info-box-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-box {
    border: 1px solid var(--border-color);
    border-left-width: 4px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    background: #fff;
}

.info-box.danger { border-left-color: var(--danger); }
.info-box.warning { border-left-color: var(--warning); }
.info-box.primary { border-left-color: var(--primary-color); }
.info-box.success { border-left-color: var(--success); }

.info-title {
    font-weight: 600;
    min-width: 120px;
}
.info-desc {
    color: var(--text-muted);
}

.blue-alert {
    background-color: #eef5fc;
    color: var(--primary-color);
    padding: 0.75rem;
    text-align: center;
    font-size: 0.85rem;
    border-radius: 4px;
}

.link-list {
    list-style: none;
}
.link-list li {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.link-list li:last-child {
    border-bottom: none;
}
.link-list a {
    color: var(--text-main);
    text-decoration: none;
}
.link-list a:hover {
    color: var(--primary-color);
}

/* Base Form Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    text-decoration: none;
}
.btn-primary { background-color: var(--primary-color); color: white; }
.btn-outline { background-color: transparent; border: 1px solid var(--primary-color); color: var(--primary-color); }

/* Tables */
.table-container {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
th {
    background-color: #f9f9f9;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}
td {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}
tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background-color: #e8f5e9; color: #2e7d32; }
.badge-danger { background-color: #ffebee; color: #c62828; }
.badge-warning { background-color: #fff8e1; color: #f57f17; }
.badge-neutral { background-color: #f5f5f5; color: #616161; }

.flex { display: flex; }
.gap-4 { gap: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }

/* Custom Form elements */
.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}
.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
}