:root {
    --primary-color: #ff8c00;
    --dark-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --text-light: #ffffff;
    --border-color: #ff8c00;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
    background-attachment: fixed;
    color: var(--text-light);
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="sand" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="%23ff8c00" opacity="0.1"/></pattern></defs><rect width="1200" height="800" fill="url(%23sand)"/></svg>');
    min-height: 100vh;
}

/* Authentication */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
}

.auth-box {
    background: var(--secondary-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 0 30px rgba(255, 140, 0, 0.3);
}

.auth-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(255, 140, 0, 0.5);
}

.auth-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.auth-btn {
    flex: 1;
    padding: 10px;
    background: var(--dark-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.auth-btn.active {
    background: var(--primary-color);
    color: var(--dark-color);
}

.auth-btn:hover {
    background: var(--primary-color);
    color: var(--dark-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.auth-form input {
    padding: 12px;
    background: var(--dark-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    color: var(--text-light);
    font-size: 14px;
}

.auth-form button {
    padding: 12px;
    background: var(--primary-color);
    color: var(--dark-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
}

.auth-form button:hover {
    background: #ff7700;
    transform: scale(1.02);
}

.error-message {
    color: #ff6b6b;
    font-size: 12px;
    margin-top: -10px;
}

/* Navbar */
.navbar {
    background: var(--dark-color);
    border-bottom: 3px solid var(--primary-color);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.2);
}

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(255, 140, 0, 0.5);
}

.navbar-menu {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 8px 15px;
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.nav-btn:hover {
    background: var(--primary-color);
    color: var(--dark-color);
    transform: translateY(-2px);
}

.logout-btn {
    border-color: #ff6b6b;
}

.logout-btn:hover {
    background: #ff6b6b;
}

.user-info {
    color: var(--primary-color);
    font-size: 14px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Pages */
.page {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Welcome Section */
.welcome-section {
    text-align: center;
    margin-bottom: 40px;
}

.welcome-section h1 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(255, 140, 0, 0.3);
}

.welcome-section p {
    font-size: 18px;
    color: #ccc;
    margin-bottom: 30px;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--secondary-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.stat-card h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-card p {
    color: #ccc;
}

/* Reports */
.reports-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.reports-header h1 {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(255, 140, 0, 0.3);
}

.btn-primary {
    padding: 12px 25px;
    background: var(--primary-color);
    color: var(--dark-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
    font-size: 14px;
}

.btn-primary:hover {
    background: #ff7700;
    transform: scale(1.05);
}

.btn-secondary {
    padding: 12px 25px;
    background: var(--secondary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
    font-size: 14px;
}

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

.btn-danger {
    padding: 8px 15px;
    background: #ff6b6b;
    color: var(--text-light);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
}

.btn-danger:hover {
    background: #ff5252;
}

.btn-success {
    padding: 8px 15px;
    background: #51cf66;
    color: var(--dark-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
}

.btn-success:hover {
    background: #40c057;
}

/* Report Form */
.report-form-container {
    margin-bottom: 30px;
}

.form-box {
    background: var(--secondary-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.2);
}

.form-box h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.form-box form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-box input,
.form-box textarea {
    padding: 12px;
    background: var(--dark-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    color: var(--text-light);
    font-size: 14px;
    font-family: inherit;
}

.form-box input:focus,
.form-box textarea:focus {
    outline: none;
    border-color: #ff7700;
    box-shadow: 0 0 10px rgba(255, 140, 0, 0.3);
}

.form-box textarea {
    resize: vertical;
    min-height: 150px;
}

.image-upload {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.image-upload label {
    color: var(--primary-color);
    font-size: 14px;
}

.image-upload input {
    padding: 10px;
}

.form-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.form-buttons button {
    flex: 1;
}

/* Reports List */
.reports-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.report-card {
    background: var(--secondary-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s;
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.1);
}

.report-card:hover {
    border-color: #ff7700;
    box-shadow: 0 0 25px rgba(255, 140, 0, 0.3);
    transform: translateY(-5px);
}

.report-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.report-date {
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
}

.report-author {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 15px;
}

.report-content {
    color: #ddd;
    margin-bottom: 15px;
    line-height: 1.6;
    max-height: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.report-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
    margin: 15px 0;
    border: 1px solid var(--primary-color);
}

.report-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.report-actions button {
    flex: 1;
}

/* Grade Badge */
.grade-badge {
    display: inline-block;
    padding: 5px 10px;
    background: var(--primary-color);
    color: var(--dark-color);
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
    margin-left: 10px;
}

/* Admin */
.admin-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.admin-section {
    background: var(--secondary-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 20px;
}

.admin-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.users-list,
.admin-reports-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.user-item,
.admin-report-item {
    background: var(--dark-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.user-item-info,
.admin-report-item-info {
    flex: 1;
}

.user-name {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 5px;
}

.user-grade {
    font-size: 12px;
    color: #ccc;
}

.user-actions,
.admin-report-item-actions {
    display: flex;
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-menu {
        width: 100%;
        justify-content: center;
    }
    
    .reports-header {
        flex-direction: column;
    }
    
    .reports-list {
        grid-template-columns: 1fr;
    }
    
    .admin-sections {
        grid-template-columns: 1fr;
    }
}