:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --border-color: #e9ecef;
    --accent-primary: #343a40;
    --accent-secondary: #495057;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --sidebar-width: 260px;
    --success: #28a745;
    --error: #dc3545;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    color: var(--accent-primary);
}

.gradient-text {
    color: var(--accent-primary);
    display: inline-block;
}

.glass {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.hidden {
    display: none !important;
}

/* Views */
.view {
    height: 100vh;
    width: 100vw;
}

/* Auth View */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: var(--bg-secondary);
}

.auth-card {
    width: 400px;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    background: white;
    border: 1px solid var(--border-color);
}

.auth-header {
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 42px;
    font-weight: 800;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.input-group {
    text-align: left;
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}

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

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

.secondary-btn {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.secondary-btn:hover {
    background: var(--bg-secondary);
}

.auth-footer {
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

/* Dashboard View */
#dashboard-view {
    display: flex;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    padding: 32px 16px;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    margin-bottom: 48px;
    padding-left: 16px;
}

.sidebar-header h2 {
    font-size: 28px;
    font-weight: 800;
}

.sidebar-menu {
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.3s;
}

.menu-item .icon {
    margin-right: 12px;
    font-size: 20px;
}

.menu-item:hover, .menu-item.active {
    background: white;
    color: var(--text-primary);
}

.menu-item.active {
    border-left: 4px solid var(--accent-primary);
    font-weight: 600;
}

.sidebar-footer {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    margin-bottom: 16px;
    padding-left: 8px;
}

#user-login {
    font-weight: 700;
    font-size: 16px;
}

#user-balance {
    font-size: 14px;
    color: var(--accent-primary);
    font-weight: 600;
}

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

.ghost-btn:hover {
    background: white;
    color: var(--text-primary);
}

.content {
    flex-grow: 1;
    padding: 48px;
    overflow-y: auto;
}

.content-header {
    margin-bottom: 32px;
}

.content-header h1 {
    font-size: 36px;
    font-weight: 800;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    padding: 24px;
    border-radius: 12px;
    background: white;
    border: 1px solid var(--border-color);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.module-card {
    padding: 32px;
    border-radius: 12px;
    background: white;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.module-info h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.module-info p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.license-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 24px;
}

.license-status.locked {
    background: #fff5f5;
    color: var(--error);
}

.license-status.active {
    background: #f0fff4;
    color: var(--success);
}

.module-form input, .module-form select {
    width: 100%;
    margin-bottom: 12px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

/* Wallet & Tasks Views */
.wallet-container, .tasks-container {
    max-width: 800px;
}

.wallet-card {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 12px;
    margin: 24px 0;
    text-align: center;
    border: 1px solid var(--border-color);
}

.wallet-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.wallet-card h2 {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-primary);
}

.topup-section {
    padding: 32px;
    border-radius: 12px;
    background: white;
    border: 1px solid var(--border-color);
    text-align: center;
    margin-top: 32px;
}

.topup-section p {
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.topup-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 300px;
    text-decoration: none;
}

.task-item {
    background: white;
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}