:root {
            --primary: #FF6D28;
            --primary-light: #FF9A3C;
            --primary-dark: #E05D20;
            --secondary: #3A98B9;
            --accent: #FFB830;
            --text: #333333;
            --text-light: #6B7280;
            --text-lighter: #9CA3AF;
            --bg: #F8FAFC;
            --card-bg: #FFFFFF;
            --border: #E5E7EB;
            --success: #10B981;
            --warning: #F59E0B;
            --error: #EF4444;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --transition: all 0.2s ease;
        }

        [data-theme="dark"] {
            --primary: #FF8C42;
            --primary-light: #FFA566;
            --primary-dark: #E57339;
            --secondary: #4AB1D1;
            --accent: #FFC154;
            --text: #F3F4F6;
            --text-light: #D1D5DB;
            --text-lighter: #9CA3AF;
            --bg: #1F2937;
            --card-bg: #374151;
            --border: #4B5563;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            transition: var(--transition);
            line-height: 1.5;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 1rem;
        }

        .login-container {
            width: 100%;
            max-width: 420px;
            background-color: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .login-header {
            background-color: var(--primary);
            color: white;
            padding: 1.5rem;
            text-align: center;
        }

        .login-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .login-subtitle {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .login-body {
            padding: 2rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background-color: var(--card-bg);
            color: var(--text);
            font-family: inherit;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 109, 40, 0.2);
        }

        .input-with-icon {
            position: relative;
        }

        .input-icon {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-lighter);
            cursor: pointer;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-family: inherit;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
            width: 100%;
        }

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

        .alert {
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
            margin-bottom: 1.25rem;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
        }

        .alert-error {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--error);
            border-left: 3px solid var(--error);
        }

        .alert-icon {
            margin-right: 0.5rem;
            font-size: 1rem;
        }

        .theme-toggle {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: rgba(0, 0, 0, 0.05);
            border-radius: 50px;
            padding: 0.25rem;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 1rem;
        }

        [data-theme="dark"] .theme-toggle {
            background-color: rgba(255, 255, 255, 0.05);
        }

        .theme-btn {
            width: 50%;
            padding: 0.5rem;
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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