/* ========================================
   ADMIN PANEL - MODERN DASHBOARD CSS
   ======================================== */

:root {
    --primary: #FF6B00;
    --primary-dark: #E55A00;
    --primary-light: #FF8533;
    --secondary: #1A1A2E;
    --accent: #16213E;
    --dark: #0F0F23;
    --light: #F8F9FA;
    --white: #FFFFFF;
    --gray: #6C757D;
    --gray-light: #E9ECEF;
    --gray-dark: #495057;
    --success: #28A745;
    --danger: #DC3545;
    --warning: #FFC107;
    --info: #17A2B8;
    --font-main: 'Poppins', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 16px;
    --sidebar-width: 280px;
    --sidebar-collapsed: 80px;
    --color-kumlama: #FF6B00;
    --color-boya: #2196F3;
    --color-endustriyel: #9C27B0;
    --color-korozyon: #4CAF50;
    --color-diger: #607D8B;
}

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

body {
    font-family: var(--font-main);
    color: var(--secondary);
    background: #F1F5F9;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

/* LOGIN PAGE */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 50%, var(--dark) 100%);
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,107,0,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: 0 25px 80px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 16px;
}

.login-logo i {
    font-size: 32px;
    color: var(--primary);
}

.login-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}

.login-form label i { color: var(--primary); font-size: 12px; }

.login-form input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    font-family: var(--font-main);
    font-size: 14px;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255,107,0,0.1);
}

.password-wrapper {
    position: relative;
}

.password-wrapper input { padding-right: 50px; }

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 16px;
    padding: 5px;
    transition: var(--transition);
}

.toggle-password:hover { color: var(--primary); }

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-light);
}

.login-footer a {
    color: var(--gray);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.login-footer a:hover { color: var(--primary); }

/* ALERTS */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
}

.alert-success {
    background: rgba(40,167,69,0.1);
    color: var(--success);
    border: 1px solid rgba(40,167,69,0.2);
}

.alert-error {
    background: rgba(220,53,69,0.1);
    color: var(--danger);
    border: 1px solid rgba(220,53,69,0.2);
}

.alert-warning {
    background: rgba(255,193,7,0.1);
    color: #856404;
    border: 1px solid rgba(255,193,7,0.2);
}

.alert i { font-size: 18px; }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255,107,0,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,107,0,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-dark);
    border: 2px solid var(--gray-light);
}

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

.btn-white {
    background: var(--white);
    color: var(--secondary);
    box-shadow: var(--shadow-sm);
}

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

.btn-sm { padding: 8px 18px; font-size: 13px; }

.btn-block { width: 100%; }

.btn-edit {
    background: rgba(33,150,243,0.1);
    color: #2196F3;
    padding: 8px 12px;
    border-radius: 8px;
}

.btn-edit:hover { background: #2196F3; color: var(--white); }

.btn-delete {
    background: rgba(220,53,69,0.1);
    color: var(--danger);
    padding: 8px 12px;
    border-radius: 8px;
}

.btn-delete:hover { background: var(--danger); color: var(--white); }

/* SIDEBAR */
.admin-body {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--secondary) 0%, var(--accent) 100%);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}

.sidebar-logo i { font-size: 26px; color: var(--primary); }

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 10px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
    position: relative;
}

.nav-item i { font-size: 18px; min-width: 24px; text-align: center; }

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255,107,0,0.3);
}

.nav-item .badge {
    margin-left: auto;
    background: var(--danger);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 50px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.nav-item.logout:hover { background: rgba(220,53,69,0.2); color: #ff6b6b; }

/* MAIN CONTENT */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    background: var(--white);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--secondary);
    cursor: pointer;
    padding: 8px;
}

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

.admin-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
}

.admin-name i { color: var(--primary); }

/* Dashboard Content */
.dashboard-content {
    padding: 32px;
    flex: 1;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header h1 i { color: var(--primary); }

.page-header p {
    color: var(--gray);
    font-size: 14px;
    margin-top: 4px;
}

/* STATS CARDS */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.stat-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card.primary .stat-card-icon { background: rgba(255,107,0,0.1); color: var(--primary); }
.stat-card.success .stat-card-icon { background: rgba(40,167,69,0.1); color: var(--success); }
.stat-card.warning .stat-card-icon { background: rgba(255,193,7,0.1); color: #856404; }
.stat-card.info .stat-card-icon { background: rgba(23,162,184,0.1); color: var(--info); }

.stat-card-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-card-info p {
    font-size: 13px;
    color: var(--gray);
    font-weight: 500;
}

/* DASHBOARD CARDS */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-light);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h3 i { color: var(--primary); }

/* Category Chart */
.category-chart {
    padding: 24px;
}

.chart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.chart-label {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
    font-size: 13px;
    font-weight: 500;
    color: var(--secondary);
}

.chart-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.chart-bar-wrapper {
    flex: 1;
    height: 8px;
    background: var(--gray-light);
    border-radius: 4px;
    overflow: hidden;
}

.chart-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease;
}

.chart-value {
    min-width: 30px;
    text-align: right;
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary);
}

/* Recent Projects */
.recent-projects {
    padding: 8px;
}

.recent-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 10px;
    transition: var(--transition);
}

.recent-item:hover { background: var(--light); }

.recent-item img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
}

.recent-info { flex: 1; }

.recent-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 4px;
}

.recent-category {
    font-size: 12px;
    color: var(--gray);
    background: var(--gray-light);
    padding: 2px 10px;
    border-radius: 50px;
}

.recent-date {
    font-size: 12px;
    color: var(--gray);
    white-space: nowrap;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 24px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    border-radius: var(--radius);
    background: var(--light);
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

.quick-action:hover {
    border-color: var(--primary);
    background: rgba(255,107,0,0.05);
    transform: translateY(-4px);
}

.quick-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 15px rgba(255,107,0,0.3);
}

.quick-action span {
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
}

/* TABLE */
.table-responsive {
    overflow-x: auto;
}

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

.data-table thead th {
    padding: 16px 20px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray);
    border-bottom: 2px solid var(--gray-light);
    background: var(--light);
}

.data-table tbody td {
    padding: 16px 20px;
    font-size: 14px;
    color: var(--secondary);
    border-bottom: 1px solid var(--gray-light);
    vertical-align: middle;
}

.data-table tbody tr:hover td { background: var(--light); }

.table-img {
    width: 60px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.badge-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-category.kumlama { background: rgba(255,107,0,0.1); color: var(--color-kumlama); }
.badge-category.boya { background: rgba(33,150,243,0.1); color: var(--color-boya); }
.badge-category.endustriyel { background: rgba(156,39,176,0.1); color: var(--color-endustriyel); }
.badge-category.korozyon { background: rgba(76,175,80,0.1); color: var(--color-korozyon); }
.badge-category.diger { background: rgba(96,125,139,0.1); color: var(--color-diger); }

/* FORMS */
.admin-form {
    padding: 32px;
}

.admin-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 0;
}

.admin-form .form-group {
    margin-bottom: 24px;
}

.admin-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
}

.admin-form label i { color: var(--primary); font-size: 12px; }

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--secondary);
    transition: var(--transition);
    background: var(--white);
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255,107,0,0.1);
}

.admin-form textarea {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    display: flex;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-light);
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--gray-light);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--primary);
    background: rgba(255,107,0,0.02);
}

.file-upload input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-content i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 12px;
}

.file-upload-content p {
    font-size: 14px;
    color: var(--gray-dark);
    margin-bottom: 8px;
}

.file-upload-content p span { color: var(--primary); font-weight: 600; }

.file-upload-content small {
    font-size: 12px;
    color: var(--gray);
}

.file-preview {
    display: none;
    position: relative;
}

.file-preview img {
    max-height: 200px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.remove-file {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--danger);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state i {
    font-size: 48px;
    color: var(--gray-light);
    margin-bottom: 16px;
}

.empty-state p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 14px;
}

/* MESSAGES */
.message-list {
    padding: 8px;
}

.message-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--gray-light);
    margin-bottom: 12px;
    transition: var(--transition);
    background: var(--white);
}

.message-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.message-item.unread {
    border-left: 4px solid var(--primary);
    background: rgba(255,107,0,0.02);
}

.message-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.message-content { flex: 1; }

.message-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.message-content .message-subject {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
}

.message-content p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
}

.message-meta {
    text-align: right;
    white-space: nowrap;
}

.message-meta .date {
    font-size: 12px;
    color: var(--gray);
    display: block;
    margin-bottom: 8px;
}

/* SETTINGS */
.settings-tabs {
    display: flex;
    gap: 8px;
    padding: 0 24px;
    border-bottom: 1px solid var(--gray-light);
}

.settings-tab {
    padding: 14px 24px;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.settings-tab:hover { color: var(--primary); }

.settings-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.settings-panel {
    display: none;
    padding: 32px;
}

.settings-panel.active { display: block; }

.settings-group {
    margin-bottom: 32px;
}

.settings-group h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-light);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .quick-actions { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    .sidebar.active { transform: translateX(0); }
    .sidebar-close { display: block; }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .stats-row { grid-template-columns: 1fr; }
    .admin-form .form-row { grid-template-columns: 1fr; }
    .quick-actions { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .topbar-right { gap: 12px; }
    .admin-name span { display: none; }
    .dashboard-content { padding: 20px; }
}

@media (max-width: 480px) {
    .login-card { padding: 32px 24px; }
    .dashboard-content { padding: 16px; }
    .data-table thead { display: none; }
    .data-table tbody td {
        display: block;
        padding: 10px 16px;
        border: none;
    }
    .data-table tbody tr {
        display: block;
        margin-bottom: 16px;
        border: 1px solid var(--gray-light);
        border-radius: var(--radius);
    }
}

/* Overlay for mobile sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

.sidebar-overlay.active { display: block; }