:root {
    /* Cyberpunk / Dark Theme Palette */
    --bg-main: hsl(240, 20%, 8%);
    --bg-sidebar: hsl(240, 25%, 12%);
    --bg-card: hsl(240, 25%, 14%);

    /* Neon Accents */
    --primary-color: hsl(260, 100%, 65%);
    /* Electric Violet */
    --primary-glow: hsla(260, 100%, 65%, 0.4);
    --secondary-color: hsl(180, 100%, 50%);
    /* Cyan */

    --text-main: hsl(0, 0%, 95%);
    --text-muted: hsl(240, 10%, 60%);

    --success-bg: hsla(150, 100%, 50%, 0.15);
    --success-text: hsl(150, 100%, 50%);
    --warning-bg: hsla(40, 100%, 50%, 0.15);
    --warning-text: hsl(40, 100%, 50%);
    --danger-bg: hsla(350, 100%, 60%, 0.15);
    --danger-text: hsl(350, 100%, 60%);

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 0 20px var(--primary-glow);
    --radius-md: 16px;

    --font-main: 'Outfit', sans-serif;
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

/* Auth Split */
.auth-container {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--bg-main);
    background-image: radial-gradient(circle at 50% 50%, #1a1a2e 0%, #000 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.auth-split-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    width: 300px;
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
}

.auth-split-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.auth-split-card h2 {
    color: var(--text-main);
    margin-bottom: 10px;
}

.auth-split-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.auth-form-container {
    width: 380px;
    display: none;
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-color);
}

.input-field {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
}

.input-field:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    text-decoration: underline;
    margin-top: 15px;
    width: 100%;
}

/* App Layout */
#app {
    display: grid;
    grid-template-columns: 260px 1fr;
    height: 100vh;
    gap: 20px;
    padding: 20px;
}

.sidebar {
    background: var(--bg-sidebar);
    border-radius: var(--radius-md);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    color: white;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 0 0 10px var(--primary-glow);
}

.nav-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-y: auto;
}

.nav-item {
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    display: flex;
    gap: 12px;
    align-items: center;
    font-weight: 500;
    transition: 0.2s;
}

.nav-item:hover,
.nav-item.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
}

.user-profile-mini {
    display: flex;
    gap: 12px;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--secondary-color);
}

.user-info {
    display: flex;
    flex-direction: column;
    font-size: 13px;
}

.user-info .name {
    font-weight: 700;
    color: white;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow: hidden;
}

.top-bar {
    background: var(--bg-card);
    padding: 15px 30px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.action-btn {
    background: var(--secondary-color);
    color: black;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.icon-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.content-area {
    flex: 1;
    overflow-y: auto;
    padding-right: 5px;
}

/* Components */
.card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.status-approved,
.status-submitted {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-text);
}

.status-pending {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid var(--warning-text);
}

.status-rejected {
    background: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid var(--danger-text);
}

/* Calendar */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.cal-day {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
    min-height: 100px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
}

.cal-day.today {
    border-color: var(--secondary-color);
    background: rgba(0, 255, 255, 0.05);
}

.cal-date {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-muted);
}

.cal-event {
    font-size: 11px;
    padding: 4px;
    border-radius: 4px;
    margin-bottom: 4px;
    background: var(--primary-color);
    color: white;
}

/* Chat */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 500px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-msg {
    max-width: 70%;
    padding: 10px 15px;
    border-radius: 12px;
    font-size: 14px;
}

.chat-msg.sent {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
}

.chat-msg.received {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
}

.chat-input-area {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

/* Pie Chart */
.pie-chart {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    margin: 20px auto;
    position: relative;
}

.pie-chart::after {
    content: '';
    position: absolute;
    inset: 10px;
    background: var(--bg-card);
    border-radius: 50%;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Fix display override */

.modal-box {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    width: 500px;
    position: relative;
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.1);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}