/* Reset and base styles */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    :root {
        /* Dark Theme Colors */
        --bg-primary: #0a0a0a;
        --bg-secondary: #141414;
        --bg-card: #1a1a1a;
        --bg-input: #2a2a2a;
        --bg-hover: #333333;

        --text-primary: #ffffff;
        --text-secondary: #b3b3b3;
        --text-muted: #666666;

        --accent-primary: #6366f1;
        --accent-hover: #5855eb;
        --accent-light: rgba(99, 102, 241, 0.1);

        --border-color: #333333;
        --border-focus: #6366f1;

        --success: #10b981;
        --error: #ef4444;
        --warning: #f59e0b;

        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);

        --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

        --border-radius: 8px;
        --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    body {
        font-family: var(--font-family);
        background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
        color: var(--text-primary);
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        /* padding: 20px; */
        overflow-x: hidden;
    }

    /* Background animation */
    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:
            radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
        z-index: -1;
        animation: backgroundShift 10s ease-in-out infinite alternate;
    }

    @keyframes backgroundShift {
        0% {
            transform: translateX(-10px) translateY(-10px);
        }

        100% {
            transform: translateX(10px) translateY(10px);
        }
    }

    .container {
        width: 100%;
        /* max-width: 400px; */
        position: relative;
        z-index: 1;
    }

    .login-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 16px;
        padding: 40px 32px;
        box-shadow: var(--shadow-xl);
        backdrop-filter: blur(10px);
        animation: slideUp 0.6s ease-out;
    }

    @keyframes slideUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Brand Logo */
    .brand-logo {
        text-align: center;
        margin-bottom: 32px;
    }

    .logo-icon {
        width: 60px;
        height: 60px;
        /* background: linear-gradient(135deg, var(--accent-primary), #8b5cf6); */
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
        box-shadow: var(--shadow-lg);
        animation: logoFloat 3s ease-in-out infinite alternate;
    }

    @keyframes logoFloat {
        0% {
            transform: translateY(0px);
        }

        100% {
            transform: translateY(-5px);
        }
    }

    .logo-icon i {
        font-size: 28px;
        color: white;
    }

    .brand-name {
        font-size: 24px;
        font-weight: 700;
        background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    /* Welcome Text */
    .welcome-text {
        text-align: center;
        margin-bottom: 32px;
    }

    .welcome-text h2 {
        font-size: 28px;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--text-primary);
    }

    .welcome-text p {
        color: var(--text-secondary);
        font-size: 14px;
    }

    /* Form Styles */
    .login-form {
        margin-bottom: 24px;
    }

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

    .form-group label {
        display: block;
        margin-bottom: 6px;
        font-weight: 500;
        font-size: 14px;
        color: var(--text-primary);
    }

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

    .input-wrapper input {
        width: 100%;
        padding: 14px 16px 14px 44px;
        background: var(--bg-input);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        color: var(--text-primary);
        font-size: 14px;
        transition: var(--transition);
    }

    .input-wrapper input:focus {
        outline: none;
        border-color: var(--border-focus);
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    }

    .input-wrapper input::placeholder {
        color: var(--text-muted);
    }

    .input-icon {
        position: absolute;
        left: 16px;
        color: var(--text-muted);
        font-size: 14px;
        z-index: 1;
    }

    .toggle-password {
        position: absolute;
        right: 16px;
        background: none;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        padding: 4px;
        border-radius: 4px;
        transition: var(--transition);
    }

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

    .error-message {
        display: block;
        color: var(--error);
        font-size: 12px;
        margin-top: 4px;
        min-height: 16px;
        opacity: 0;
        transition: opacity 0.2s ease;
    }

    .error-message.show {
        opacity: 1;
    }

    /* Form Options */
    .form-options {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 24px;
        font-size: 14px;
    }

    .remember-me {
        display: flex;
        align-items: center;
        cursor: pointer;
        color: var(--text-secondary);
        user-select: none;
    }

    .remember-me input {
        display: none;
    }

    .checkmark {
        width: 16px;
        height: 16px;
        border: 1px solid var(--border-color);
        border-radius: 4px;
        margin-right: 8px;
        position: relative;
        transition: var(--transition);
    }

    .remember-me input:checked+.checkmark {
        background: var(--accent-primary);
        border-color: var(--accent-primary);
    }

    .remember-me input:checked+.checkmark::after {
        content: '✓';
        position: absolute;
        top: -2px;
        left: 2px;
        color: white;
        font-size: 12px;
        font-weight: bold;
    }

    .forgot-password {
        color: var(--accent-primary);
        text-decoration: none;
        transition: var(--transition);
    }

    .forgot-password:hover {
        color: var(--accent-hover);
        text-decoration: underline;
    }

    /* Buttons */
    .btn-primary {
        width: 100%;
        padding: 14px 24px;
        background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
        color: white;
        border: none;
        border-radius: var(--border-radius);
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .btn-primary:hover {
        transform: translateY(-1px);
        box-shadow: var(--shadow-lg);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

    .btn-primary.loading {
        pointer-events: none;
    }

    .btn-primary .btn-text {
        transition: opacity 0.2s ease, visibility 0.2s ease;
        /* Changed */
    }

    .btn-primary.loading .btn-text {
        opacity: 0;
        visibility: hidden;
        /* Changed */
    }

    .loading-spinner {
        position: absolute;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.2s ease, visibility 0.2s ease;
        /* Changed: Replaced display: none with opacity for smooth transition */
    }

    .btn-primary.loading .loading-spinner {
        opacity: 1;
        visibility: visible;
        /* Changed: Replaced display: block with opacity */
    }

    .btn-google {
        width: 100%;
        padding: 14px 24px;
        background: var(--bg-input);
        color: var(--text-primary);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        margin-bottom: 24px;
        position: relative;
        /* Added for ripple effect */
        overflow: hidden;
        /* Added for ripple effect */
    }

    .btn-google:hover {
        background: var(--bg-hover);
        border-color: var(--border-focus);
        transform: translateY(-1px);
    }

    .google-icon {
        flex-shrink: 0;
    }

    /* Changed: Added Ripple Effect CSS here */
    .ripple {
        position: absolute;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        pointer-events: none;
        transform: scale(0);
        animation: rippleAnimation 0.6s ease-out;
        z-index: 1;
    }

    @keyframes rippleAnimation {
        to {
            transform: scale(2);
            opacity: 0;
        }
    }

    /* Divider */
    .divider {
        position: relative;
        text-align: center;
        margin: 24px 0;
    }

    .divider::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 1px;
        background: var(--border-color);
    }

    .divider span {
        background: var(--bg-card);
        padding: 0 16px;
        color: var(--text-muted);
        font-size: 12px;
        position: relative;
    }

    /* Sign Up Link */
    .signup-link {
        text-align: center;
        font-size: 14px;
        color: var(--text-secondary);
    }

    .signup-link a {
        color: var(--accent-primary);
        text-decoration: none;
        font-weight: 500;
        transition: var(--transition);
    }

    .signup-link a:hover {
        color: var(--accent-hover);
        text-decoration: underline;
    }

    /* Modal Styles */
    .modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.8);
        z-index: 1000;
        animation: fadeIn 0.3s ease;
    }

    .modal.show {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    .modal-content {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 16px;
        width: 100%;
        max-width: 400px;
        max-height: 90vh;
        overflow-y: auto;
        box-shadow: var(--shadow-xl);
        animation: modalSlideUp 0.3s ease;
    }

    @keyframes modalSlideUp {
        from {
            opacity: 0;
            transform: translateY(30px) scale(0.95);
        }

        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .modal-header {
        padding: 24px 24px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .modal-header h3 {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .modal-close {
        background: none;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        padding: 8px;
        border-radius: 6px;
        transition: var(--transition);
    }

    .modal-close:hover {
        color: var(--text-primary);
        background: var(--bg-hover);
    }

    .modal-body {
        padding: 24px;
    }

    .modal-body p {
        color: var(--text-secondary);
        margin-bottom: 20px;
        line-height: 1.5;
    }

    /* Toast Messages */
    .toast {
        position: fixed;
        top: 20px;
        right: 20px;
        background: var(--success);
        color: white;
        padding: 12px 20px;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-lg);
        display: flex;
        align-items: center;
        gap: 8px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 2000;
    }

    .toast.error {
        background: var(--error);
    }

    .toast.show {
        transform: translateX(0);
    }

    .toast i {
        font-size: 16px;
    }

    /* Responsive Design */
    @media (max-width: 480px) {
        .container {
            max-width: 100%;
            margin: 0;
        }

        .login-card {
            padding: 32px 24px;
            border-radius: 12px;
            margin: 0 8px;
        }

        .form-options {
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
        }

        .modal-content {
            margin: 20px;
            border-radius: 12px;
        }

        .modal-header,
        .modal-body {
            padding: 20px;
        }
    }

    /* Loading states */
    .input-wrapper.loading::after {
        content: '';
        position: absolute;
        right: 16px;
        width: 16px;
        height: 16px;
        border: 2px solid var(--border-color);
        border-top: 2px solid var(--accent-primary);
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        0% {
            transform: rotate(0deg);
        }

        100% {
            transform: rotate(360deg);
        }
    }

    /* Focus visible for accessibility */
    button:focus-visible,
    input:focus-visible,
    a:focus-visible {
        outline: 2px solid var(--accent-primary);
        outline-offset: 2px;
    }

    /* Dark scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }

    ::-webkit-scrollbar-track {
        background: var(--bg-secondary);
    }

    ::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-muted);
    }