:root {
    --efe-teal: #64a3ad;
    --efe-teal-dark: #5a92a0;
    --efe-gold: #e9c168;
    --efe-gold-dark: #d4af5a;
    --efe-blue: #024059;
    --efe-white: #ffffff;
    --efe-light: #f8f9fa;
    --efe-gray: #6c757d;
    --efe-dark: #343a40;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.10);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --transition: all 0.2s ease;
}

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

html {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 14px;
    line-height: 1.5;
    color: var(--efe-dark);
}

.navbar {
    background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark)) !important;
    box-shadow: var(--shadow-md);
    padding: 0.6rem 0;
    position: sticky;
    top: 0;
    z-index: 1050;
    border: none;
    min-height: 56px;
}

.navbar .container-fluid {
    width: 96vw;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--efe-white) !important;
    text-decoration: none;
    padding: 0.3rem 0;
    flex-shrink: 0;
    margin-right: 1rem;
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-brand .brand-text {
    display: none;
}

@media (min-width: 576px) {
    .navbar-brand .brand-text {
        display: inline;
    }
}

.navbar-toggler {
    border: 2px solid rgba(255,255,255,0.5);
    padding: 0.3rem 0.5rem;
    margin-left: auto;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.2em;
    height: 1.2em;
}

.navbar-collapse {
    flex-grow: 0;
}

.navbar-nav {
    gap: 0.25rem;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    padding: 0.4rem 0.6rem !important;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    position: relative;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.15);
    color: var(--efe-white) !important;
}

.nav-link.active {
    background-color: rgba(255,255,255,0.2);
    color: var(--efe-white) !important;
}

.nav-link i {
    font-size: 1rem;
}

.nav-link .nav-text {
    display: none;
}

@media (min-width: 1200px) {
    .nav-link .nav-text {
        display: inline;
    }
}

.active-dot {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--efe-gold);
    border-radius: 50%;
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    margin-top: 0.25rem;
    min-width: 160px;
    z-index: 1060;
}

.dropdown-item {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-item:hover {
    background-color: var(--efe-light);
}

.dropdown-item.active {
    background-color: rgba(100, 163, 173, 0.15);
    color: var(--efe-teal);
}

.dropdown-item i {
    color: var(--efe-teal);
    font-size: 0.9rem;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid rgba(255,255,255,0.2);
}

.user-name {
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-login,
.btn-register,
.btn-logout {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn-login {
    background-color: var(--efe-gold);
    border: none;
    color: var(--efe-blue) !important;
}

.btn-login:hover {
    background-color: var(--efe-gold-dark);
    transform: translateY(-1px);
}

.btn-register {
    background-color: rgba(255,255,255,0.9);
    border: none;
    color: var(--efe-gray) !important;
}

.btn-register:hover {
    background-color: var(--efe-white);
    transform: translateY(-1px);
}

.btn-logout {
    background-color: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: var(--efe-white) !important;
    padding: 0.35rem 0.6rem;
}

.btn-logout:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}

.nav-user-item {
    margin-left: 0.5rem;
    padding-left: 0.75rem;
    border-left: 1px solid rgba(255,255,255,0.2);
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
}

.nav-user-info i {
    font-size: 1.1rem;
    color: var(--efe-gold);
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark));
        padding: 1rem;
        box-shadow: var(--shadow-md);
        z-index: 1055;
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.6rem 1rem !important;
    }
    
    .nav-link .nav-text {
        display: inline;
    }
    
    .dropdown-menu {
        background-color: rgba(255,255,255,0.1);
        box-shadow: none;
        margin: 0;
        padding: 0.5rem 0 0.5rem 1.5rem;
    }
    
    .dropdown-item {
        color: rgba(255,255,255,0.9);
        padding: 0.5rem 1rem;
    }
    
    .dropdown-item:hover {
        background-color: rgba(255,255,255,0.1);
        color: var(--efe-white);
    }
    
    .dropdown-item.active {
        background-color: rgba(255,255,255,0.15);
        color: var(--efe-white);
    }
    
    .dropdown-item i {
        color: var(--efe-gold);
    }
    
    .navbar-user {
        margin: 1rem 0 0 0;
        padding: 1rem 0 0 0;
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.2);
        justify-content: center;
    }
    
    .active-dot {
        position: static;
        transform: none;
        margin-left: auto;
    }
}

.main-container {
    flex: 1;
    width: 96vw;
    max-width: 1800px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.page-header {
    background: var(--efe-white);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h4 {
    margin: 0;
    font-weight: 600;
    color: var(--efe-teal);
    font-size: 1.25rem;
}

.page-header h4 i {
    margin-right: 0.5rem;
}

.card {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card-header {
    background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark));
    color: var(--efe-white);
    padding: 1rem 1.5rem;
    font-weight: 600;
    border: none;
    font-size: 1rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: var(--efe-light);
    border-top: 1px solid #e9ecef;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--efe-teal);
}

.btn-efe {
    background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark));
    border: none;
    color: var(--efe-white);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.btn-efe:hover {
    background: linear-gradient(135deg, var(--efe-teal-dark), #4a8090);
    color: var(--efe-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-gold {
    background: linear-gradient(135deg, var(--efe-gold), var(--efe-gold-dark));
    border: none;
    color: var(--efe-blue);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--efe-gold-dark), #c49e4a);
    color: var(--efe-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline-primary:hover {
    background: var(--efe-teal);
    border-color: var(--efe-teal);
    color: white;
}

.btn-outline-danger {
    color: #dc3545;
    border-color: #dc3545;
}

.btn-outline-danger:hover {
    background: #dc3545;
    color: white;
}

.table {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.table th {
    background-color: var(--efe-gold);
    font-weight: 600;
    font-size: 0.85rem;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid #e9ecef;
    white-space: nowrap;
}

.table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f3f4;
}

.table-hover tbody tr:hover {
    background-color: rgba(100, 163, 173, 0.05);
}

.table-responsive {
    border-radius: var(--radius-md);
}

.modal-header {
    background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark));
    color: var(--efe-white);
    border: none;
    padding: 1rem 1.5rem;
}

.modal-title {
    font-weight: 600;
}

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    padding: 1rem 1.5rem;
}

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid #dee2e6;
    padding: 0.6rem 0.875rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--efe-teal);
    box-shadow: 0 0 0 0.2rem rgba(100, 163, 173, 0.25);
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--efe-gray);
    margin-bottom: 0.4rem;
}

.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
}

.badge {
    padding: 0.4em 0.7em;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.footer {
    background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark));
    color: var(--efe-white);
    padding: 1rem 0;
    margin-top: auto;
}

.footer .container-fluid {
    width: 96vw;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.footer-brand img {
    height: 30px;
    width: auto;
}

.footer-text {
    font-size: 0.85rem;
    opacity: 0.9;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    color: white;
    transition: var(--transition);
    cursor: pointer;
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-card h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.stat-card small {
    opacity: 0.9;
    font-size: 0.9rem;
}

.stat-danger { background: linear-gradient(135deg, #dc3545, #c82333); }
.stat-warning { background: linear-gradient(135deg, #ffc107, #e0a800); color: #212529; }
.stat-info { background: linear-gradient(135deg, #17a2b8, #138496); }
.stat-teal { background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark)); }
.stat-gold { background: linear-gradient(135deg, var(--efe-gold), var(--efe-gold-dark)); color: var(--efe-blue); }
.stat-success { background: linear-gradient(135deg, #28a745, #218838); }

.stats-card {
    background: linear-gradient(135deg, white, #fdfdfd);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--efe-teal), var(--efe-gold));
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stats-card .icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 0.75rem;
}

.stats-card .value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stats-card .label {
    font-size: 0.85rem;
    color: var(--efe-gray);
}

.notification-item {
    border-left: 4px solid transparent;
    padding: 1rem 1.25rem;
    transition: all 0.2s;
    border-bottom: 1px solid #eee;
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item:hover {
    background-color: rgba(0,0,0,0.02);
}

.notification-item.overdue {
    border-left-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

.notification-item.critical {
    border-left-color: #ffc107;
    background-color: rgba(255, 193, 7, 0.05);
}

.notification-item.warning {
    border-left-color: #17a2b8;
    background-color: rgba(23, 162, 184, 0.05);
}

.badge-category {
    font-size: 0.7rem;
    padding: 0.35rem 0.6rem;
}

.whatsapp-btn {
    background: #25D366;
    border: none;
    color: white;
    font-size: 0.8rem;
}

.whatsapp-btn:hover {
    background: #128C7E;
    color: white;
}

.empty-state {
    padding: 3rem;
    text-align: center;
    color: #6c757d;
}

.empty-state i {
    font-size: 4rem;
    opacity: 0.3;
}

.owner-section {
    background-color: #f0f8ff;
    border-left: 4px solid var(--efe-gold);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.hidden {
    display: none !important;
}

.hero-section {
    background: linear-gradient(135deg, var(--efe-teal), var(--efe-teal-dark));
    color: var(--efe-white);
    padding: 4rem 0;
    margin-bottom: 2rem;
    text-align: center;
}

.hero-section h1 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 450px;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.auth-card .card-header {
    padding: 2rem;
    text-align: center;
}

.auth-card .card-header img {
    height: 60px;
    margin-bottom: 1rem;
}

.auth-card .card-header h4 {
    margin: 0;
    font-weight: 600;
}

.auth-card .card-body {
    padding: 2rem;
}

.auth-card .form-control {
    padding: 0.75rem 1rem;
}

.auth-card .btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.badge-service {
    background-color: var(--efe-teal);
    color: var(--efe-white);
}

.badge-product {
    background-color: var(--efe-gold);
    color: var(--efe-blue);
}

.owner-badge {
    background-color: #e8f4f6;
    color: var(--efe-teal);
    font-weight: 500;
}

.welcome-section {
    background: linear-gradient(135deg, white, #f8f9fa);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(100, 163, 173, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.welcome-section .logo-box img {
    max-height: 80px;
}

.user-info-card {
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    background: var(--efe-light);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.user-info-card .user-name {
    font-weight: 600;
    color: var(--efe-dark);
}

.user-info-card .user-status {
    font-size: 0.85rem;
    color: #198754;
    font-weight: 600;
    background: #e9fbe8;
    border-radius: var(--radius-sm);
    padding: 0.2em 0.6em;
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    margin-top: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.quick-actions {
    background: linear-gradient(135deg, white, #fdfdfd);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
}

.quick-actions h4 {
    color: var(--efe-teal);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.btn-action {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-action.servis-btn {
    color: var(--efe-teal);
    border-color: var(--efe-teal);
    background: white;
}

.btn-action.servis-btn:hover {
    background: var(--efe-teal);
    color: white;
}

.btn-action.urun-btn {
    color: var(--efe-gold-dark);
    border-color: var(--efe-gold);
    background: white;
}

.btn-action.urun-btn:hover {
    background: var(--efe-gold);
    color: var(--efe-blue);
}

.status-badge {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-completed {
    background: #d4edda;
    color: #155724;
}

.plan-list {
    margin: 0;
    padding-left: 1.2rem;
    text-align: left;
    list-style-position: inside;
}

.plan-list li {
    margin: 0.15rem 0;
    text-align: left;
}

.search-box-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box-wrapper .search-input {
    width: 0;
    opacity: 0;
    transition: width 0.25s, opacity 0.2s;
    border-radius: 20px 0 0 20px;
    padding: 0.5rem 0.8rem;
}

.search-box-wrapper.active .search-input {
    width: 200px;
    opacity: 1;
}

.search-box-wrapper .search-btn {
    border-radius: 0 20px 20px 0;
    background: var(--efe-gold);
    color: #333;
    border: 1px solid #ced4da;
    padding: 0.5em 0.9em;
    font-size: 1rem;
}

@media (max-width: 991.98px) {
    .navbar .container-fluid,
    .main-container,
    .footer .container-fluid {
        width: 100%;
        padding: 0 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-section {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    body {
        font-size: 13px;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-brand img {
        height: 32px;
    }
    
    .page-header h4 {
        font-size: 1.1rem;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .table th, .table td {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }
    
    .stat-card h2 {
        font-size: 1.75rem;
    }
    
    .stat-card small {
        font-size: 0.75rem;
    }
    
    .stats-card .value {
        font-size: 1.5rem;
    }
}