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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.page {
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: white;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 450px;
    width: 100%;
}

.login-card h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #333;
}

.subtitle {
    color: #666;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 32px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
}

.google-btn:hover {
    border-color: #4285F4;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.2);
}

.google-icon {
    width: 24px;
    height: 24px;
}

.help-text {
    margin-top: 30px;
    color: #999;
    font-size: 14px;
}

.status-message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.status-message.error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.status-message.warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.status-message.success {
    background: #eff;
    color: #0c5;
    border: 1px solid #cfc;
}

/* Navbar */
.navbar {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    position: relative;
}

.badge {
    background: #ef4444;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    margin-left: 8px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #667eea;
}

.logout-btn {
    background: #ef4444;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #dc2626;
}

/* Dashboard */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.dashboard-title {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.tool-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.tool-card h2 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.tool-card p {
    color: #666;
    line-height: 1.6;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid #eee;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    padding: 0 30px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 20px;
    cursor: pointer;
    font-weight: 600;
    color: #666;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.tab-content {
    padding: 30px;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
}

.users-table th,
.users-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.users-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #333;
}

.users-table button {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    margin-right: 5px;
}

.btn-approve {
    background: #10b981;
    color: white;
}

.btn-reject {
    background: #ef4444;
    color: white;
}

.btn-revoke {
    background: #f59e0b;
    color: white;
}