@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #f8eded 0%, #ff8225 50%, #b43f3f 100%);
            min-height: 100vh;
            padding: 0;
            margin: 0;
        }

        /* Login page specific centering */
        body.login-page {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-container {
            background: rgba(248, 237, 237, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(23, 59, 69, 0.2);
            padding: 40px;
            width: 100%;
            max-width: 420px;
            border: 1px solid rgba(255, 130, 37, 0.3);
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-title {
            font-size: 28px;
            font-weight: 700;
            color: #173b45;
            margin-bottom: 8px;
        }

        .login-subtitle {
            color: #b43f3f;
            font-size: 14px;
            font-weight: 400;
        }

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

        .form-group.focused .form-label {
            color: #ff8225;
            transform: translateY(-2px);
        }

        .form-label {
            display: block;
            font-weight: 600;
            color: #173b45;
            margin-bottom: 8px;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .form-control {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid rgba(23, 59, 69, 0.2);
            border-radius: 12px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #fff;
            color: #173b45;
        }

        .form-control:focus {
            outline: none;
            border-color: #ff8225;
            box-shadow: 0 0 0 3px rgba(255, 130, 37, 0.1);
        }

        .form-control::placeholder {
            color: #b43f3f;
            font-size: 14px;
        }

        .checkbox-container {
            display: flex;
            align-items: center;
            margin-bottom: 24px;
        }

        .custom-checkbox {
            position: relative;
            display: flex;
            align-items: center;
            cursor: pointer;
        }

        .custom-checkbox input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-right: 10px;
            cursor: pointer;
            accent-color: #ff8225;
        }

        .custom-checkbox label {
            color: #173b45;
            font-size: 14px;
            cursor: pointer;
            margin: 0;
        }

        .login-button {
            width: 100%;
            background: linear-gradient(135deg, #ff8225 0%, #b43f3f 100%);
            border: none;
            color: white;
            padding: 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: none;
        }

        .login-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 130, 37, 0.4);
        }

        .login-button:active {
            transform: translateY(0);
        }

        .floating-shapes {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: -1;
        }

        .shape {
            position: absolute;
            background: rgba(23, 59, 69, 0.1);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        .shape:nth-child(1) {
            width: 80px;
            height: 80px;
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .shape:nth-child(2) {
            width: 120px;
            height: 120px;
            top: 60%;
            right: 10%;
            animation-delay: 2s;
        }

        .shape:nth-child(3) {
            width: 60px;
            height: 60px;
            bottom: 20%;
            left: 20%;
            animation-delay: 4s;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px) rotate(0deg);
            }
            50% {
                transform: translateY(-20px) rotate(180deg);
            }
        }

        .login-button:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none !important;
        }

        .login-button:disabled:hover {
            box-shadow: none;
        }

        /* Loading animation */
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .fa-spin {
            animation: spin 1s linear infinite;
        }

        /* Enhanced mobile responsiveness */
        @media (max-width: 480px) {
            .login-container {
                padding: 30px 20px;
                margin: 10px;
                border-radius: 16px;
            }
            
            .login-title {
                font-size: 24px;
            }

            .form-control {
                padding: 12px 14px;
                font-size: 16px; /* Prevents zoom on iOS */
            }

            .login-button {
                padding: 14px;
                font-size: 15px;
            }
        }

        /* Dark mode support */
        @media (prefers-color-scheme: dark) {
            body {
                background: linear-gradient(135deg, #173b45 0%, #b43f3f 50%, #ff8225 100%);
            }

            .login-container {
                background: rgba(23, 59, 69, 0.95);
                border: 1px solid rgba(255, 130, 37, 0.3);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            }

            .login-title {
                color: #f8eded;
            }

            .login-subtitle {
                color: #ff8225;
            }

            .form-label {
                color: #f8eded;
            }

            .form-control {
                background: rgba(23, 59, 69, 0.8);
                border-color: rgba(255, 130, 37, 0.3);
                color: #f8eded;
            }

            .form-control:focus {
                border-color: #ff8225;
                background: rgba(23, 59, 69, 0.9);
                box-shadow: 0 0 0 3px rgba(255, 130, 37, 0.2);
            }

            .form-control::placeholder {
                color: #b43f3f;
            }

            .custom-checkbox label {
                color: #f8eded;
            }

            .shape {
                background: rgba(255, 130, 37, 0.1);
            }
        }

        /* Horizontal Navigation Menu Styles */
        .navbar {
            background: linear-gradient(135deg, #173b45 0%, #b43f3f 50%, #ff8225 100%) !important;
            box-shadow: 0 4px 20px rgba(23, 59, 69, 0.3);
            padding: 1rem 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            z-index: 1000;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: #f8eded !important;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .navbar-brand:hover {
            color: #ff8225 !important;
            transform: scale(1.05);
        }

        .navbar-brand i {
            margin-right: 8px;
            color: #ff8225;
        }

        .navbar-nav .nav-link {
            color: #f8eded !important;
            font-weight: 500;
            padding: 0.75rem 1rem !important;
            margin: 0 0.25rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            background: rgba(255, 130, 37, 0.2);
            color: #ff8225 !important;
            transform: translateY(-2px);
        }

        .navbar-nav .nav-link.active {
            background: rgba(255, 130, 37, 0.3);
            color: #ff8225 !important;
            font-weight: 600;
        }

        .navbar-nav .nav-link i {
            margin-right: 6px;
            width: 16px;
            text-align: center;
        }

        .dropdown-menu {
            background: rgba(23, 59, 69, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 130, 37, 0.3);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(23, 59, 69, 0.3);
            padding: 0.5rem 0;
        }

        .dropdown-item {
            color: #f8eded;
            padding: 0.75rem 1.5rem;
            transition: all 0.3s ease;
        }

        .dropdown-item:hover {
            background: rgba(255, 130, 37, 0.2);
            color: #ff8225;
        }

        .dropdown-item i {
            margin-right: 8px;
            width: 16px;
            text-align: center;
        }

        .dropdown-divider {
            border-color: rgba(255, 130, 37, 0.3);
            margin: 0.5rem 0;
        }

        .navbar-toggler {
            border: 2px solid rgba(255, 130, 37, 0.5);
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 130, 37, 0.2);
        }

        .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%28248, 237, 237, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Main Content Area */
        .main-content {
            padding: 2rem 0;
            min-height: calc(100vh - 80px);
            margin-top: 80px; /* Navbar yüksekliği kadar üstten boşluk */
        }

        .welcome-card {
            background: rgba(248, 237, 237, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(23, 59, 69, 0.2);
            padding: 3rem;
            text-align: center;
            border: 1px solid rgba(255, 130, 37, 0.3);
            margin-top: 2rem;
        }

        .welcome-card h1 {
            color: #173b45;
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 2.5rem;
        }


        /* Mobile Responsiveness for Navigation */
        @media (max-width: 991.98px) {
            .navbar-nav {
                margin-top: 1rem;
                padding: 1rem 0;
            }

            .navbar-nav .nav-link {
                margin: 0.25rem 0;
                text-align: center;
            }

            .welcome-card {
                padding: 2rem 1.5rem;
                margin: 1rem;
            }

            .welcome-card h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .navbar-brand {
                font-size: 1.25rem;
            }

            .welcome-card {
                padding: 1.5rem 1rem;
            }

            .welcome-card h1 {
                font-size: 1.75rem;
            }

            .welcome-card p {
                font-size: 1rem;
            }
        }

        /* Platform Card Styles */
        .platform-card {
            background: rgba(248, 237, 237, 0.95);
            backdrop-filter: blur(15px);
            border-radius: 24px;
            box-shadow: 0 8px 32px rgba(23, 59, 69, 0.15);
            border: 1px solid rgba(255, 130, 37, 0.2);
            padding: 2.5rem;
            margin: 1rem 0;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .platform-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 60px rgba(23, 59, 69, 0.25);
            border-color: rgba(255, 130, 37, 0.4);
        }

        .platform-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(135deg, #ff8225 0%, #b43f3f 100%);
            border-radius: 24px 24px 0 0;
        }

        .platform-card::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255, 130, 37, 0.1), transparent);
            transform: rotate(45deg);
            transition: all 0.6s ease;
            opacity: 0;
        }

        .platform-card:hover::after {
            opacity: 1;
            animation: shimmer 1.5s ease-in-out;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
            100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
        }

        .platform-card-header {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            position: relative;
            z-index: 2;
            justify-content: flex-start;
        }

        .platform-icon {
            width: 50px;
            height: 50px;
            max-height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            flex-shrink: 0;
        }

        .platform-favicon {
            max-width: 100%;
            max-height: 100%;
            width: auto;
            height: auto;
            object-fit: contain;
        }

        .card-content {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
        }

        .platform-info {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .platform-card:hover .platform-icon {
            transform: scale(1.05);
        }

        .platform-info h3 {
            color: #173b45;
            font-weight: 800;
            font-size: 1.75rem;
            margin: 0 0 1rem 0;
            letter-spacing: -0.5px;
        }

        .platform-card-content {
            color: #173b45;
            line-height: 1.6;
            margin-bottom: 2rem;
            position: relative;
            z-index: 2;
        }

        /* Platform Number Display */
        .platform-number {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(255, 130, 37, 0.1) 0%, rgba(180, 63, 63, 0.1) 100%);
            border-radius: 16px;
            padding: 1.5rem;
            margin-top: 1rem;
            border: 2px solid rgba(255, 130, 37, 0.2);
            transition: all 0.3s ease;
        }

        .platform-card:hover .platform-number {
            background: linear-gradient(135deg, rgba(255, 130, 37, 0.15) 0%, rgba(180, 63, 63, 0.15) 100%);
            border-color: rgba(255, 130, 37, 0.3);
            transform: scale(1.05);
        }

        .platform-number .number {
            font-size: 3rem;
            font-weight: 900;
            color: #ff8225;
            line-height: 1;
            margin-bottom: 0.5rem;
            text-shadow: 0 2px 4px rgba(255, 130, 37, 0.3);
        }

        .platform-number .label {
            font-size: 0.9rem;
            font-weight: 600;
            color: #173b45;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.8;
        }

        /* Platform Card Link Styles */
        .platform-card-link {
            text-decoration: none;
            color: inherit;
            display: block;
            height: 100%;
        }

        .platform-card-link:hover {
            text-decoration: none;
            color: inherit;
        }

        .platform-card-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .platform-card-btn {
            background: linear-gradient(135deg, #ff8225 0%, #b43f3f 100%);
            border: none;
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 15px rgba(255, 130, 37, 0.3);
        }

        .platform-card-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 130, 37, 0.4);
            color: white;
            text-decoration: none;
        }

        .platform-card-btn.secondary {
            background: transparent;
            border: 2px solid #ff8225;
            color: #ff8225;
            box-shadow: none;
        }

        .platform-card-btn.secondary:hover {
            background: #ff8225;
            color: white;
            box-shadow: 0 8px 25px rgba(255, 130, 37, 0.3);
        }

        .platform-card-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 130, 37, 0.2);
        }

        .platform-stat {
            text-align: center;
        }

        .platform-stat-value {
            color: #ff8225;
            font-size: 1.5rem;
            font-weight: 700;
            display: block;
        }

        .platform-stat-label {
            color: #173b45;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* Platform Card Dark Mode */
        @media (prefers-color-scheme: dark) {
            .platform-card {
                background: rgba(23, 59, 69, 0.95);
                border: 1px solid rgba(255, 130, 37, 0.3);
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            }

            .platform-card:hover {
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
                border-color: rgba(255, 130, 37, 0.5);
            }

            .platform-card-title {
                color: #f8eded;
            }

            .platform-card-subtitle {
                color: #ff8225;
            }

            .platform-card-content {
                color: #f8eded;
            }

            .platform-number {
                background: linear-gradient(135deg, rgba(255, 130, 37, 0.15) 0%, rgba(180, 63, 63, 0.15) 100%);
                border-color: rgba(255, 130, 37, 0.3);
            }

            .platform-number .label {
                color: #f8eded;
            }

            .platform-stat-label {
                color: #f8eded;
            }
        }

        /* Platform Card Mobile Responsiveness */
        @media (max-width: 768px) {
            .platform-card {
                padding: 2rem;
                margin: 0.5rem 0;
            }

            .card-content {
                gap: 1rem;
            }

            .platform-icon {
                width: 45px;
                height: 45px;
                max-height: 45px;
                margin-right: 1rem;
            }

            .platform-info h3 {
                font-size: 1.5rem;
            }

            .platform-number .number {
                font-size: 2.5rem;
            }

            .platform-card-actions {
                flex-direction: column;
            }

            .platform-card-btn {
                justify-content: center;
            }

            .platform-card-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }
        }

        @media (max-width: 480px) {
            .platform-card {
                padding: 1.5rem;
                border-radius: 20px;
            }

            .platform-icon {
                width: 40px;
                height: 40px;
                max-height: 40px;
            }

            .platform-info h3 {
                font-size: 1.3rem;
            }

            .platform-number .number {
                font-size: 2rem;
            }

            .platform-card-stats {
                grid-template-columns: 1fr;
            }
        }