/* Extracted from PHP template; preserve original cascade position. */
:root {
            --primary-color: #2c5282;
            --primary-light: #3182ce;
            --accent-color: #d69e2e;
            --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --card-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.1);
        }

        body {
            font-family: 'Inter', sans-serif;
            background: #f7fafc;
            min-height: 100vh;
            overflow-x: hidden;
        }

        .split-container {
            display: flex;
            min-height: 100vh;
        }

        /* Левая часть - Информация для авторов */
        .info-section {
            flex: 1;
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .info-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: pulse 15s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .brand-logo {
            width: 80px;
            height: 80px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 2rem;
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255,255,255,0.3);
        }

        .brand-logo img {
            width: 50px;
            height: 50px;
            object-fit: contain;
        }

        .journal-title {
            font-family: 'Playfair Display', serif;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .journal-subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 3rem;
            font-weight: 300;
        }

        .info-blocks {
            display: grid;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .info-block {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            padding: 1.5rem;
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,0.2);
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .info-block:hover {
            transform: translateY(-5px);
            background: rgba(255,255,255,0.15);
        }

        .info-block i {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: #ffd700;
        }

        .info-block h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .info-block p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin: 0;
        }

        .alert-authors {
            background: rgba(214, 158, 46, 0.2);
            border: 1px solid rgba(214, 158, 46, 0.4);
            border-radius: 10px;
            padding: 1.25rem;
            margin-top: 2rem;
        }

        .alert-authors i {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }

        /* Правая часть - Форма входа */
        .login-section {
            flex: 0 0 500px;
            background: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 3rem;
            position: relative;
        }

        .login-header {
            margin-bottom: 2rem;
        }

        .login-header h2 {
            font-family: 'Playfair Display', serif;
            color: #2d3748;
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .login-header p {
            color: #718096;
            font-size: 0.95rem;
        }

        .form-floating {
            margin-bottom: 1rem;
        }

        .form-floating > .form-control {
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            height: 60px;
            font-size: 1rem;
        }

        .form-floating > .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(44, 82, 130, 0.15);
        }

        .form-floating > label {
            padding: 1rem 1rem;
            color: #a0aec0;
        }

        .btn-login {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
            border: none;
            border-radius: 10px;
            padding: 1rem;
            font-size: 1.1rem;
            font-weight: 600;
            color: white;
            width: 100%;
            margin-top: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(44, 82, 130, 0.3);
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(44, 82, 130, 0.4);
            color: white;
        }

        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            margin: 2rem 0;
            color: #a0aec0;
            font-size: 0.9rem;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid #e2e8f0;
        }

        .divider span {
            padding: 0 1rem;
        }

        .btn-register {
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            background: transparent;
            border-radius: 10px;
            padding: 0.875rem;
            font-weight: 600;
            width: 100%;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            transition: all 0.3s ease;
        }

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

        .rules-link {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            margin-top: 1.5rem;
            color: #4a5568;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

        .rules-link:hover {
            color: var(--primary-color);
        }

        .rules-link i {
            font-size: 1.2rem;
        }

        .error-alert {
            background: #fed7d7;
            border-left: 4px solid #f56565;
            color: #c53030;
            padding: 1rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 1rem 0;
            font-size: 0.9rem;
        }

        .form-check-input:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .forgot-link {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 500;
        }

        .forgot-link:hover {
            text-decoration: underline;
        }

        /* Адаптивность */
        @media (max-width: 968px) {
            .split-container {
                flex-direction: column;
            }

            .info-section {
                padding: 2rem;
                text-align: center;
            }

            .info-blocks {
                grid-template-columns: 1fr;
            }

            .login-section {
                flex: 1;
                padding: 2rem;
            }
        }

        .floating-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .shape {
            position: absolute;
            opacity: 0.05;
            animation: float 20s infinite;
        }

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