/* BizFlow Login Page Styles */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors matching BizFlow theme */
    --primary-gold: #f1c40f;
    --secondary-gold: #f39c12;
    --dark-bg: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #333333;
    --light-gray: #555555;
    --white: #ffffff;
    --text-gray: #cccccc;
    --error-red: #e74c3c;
    --success-green: #2ecc71;

    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--dark-bg);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Elements */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(26, 26, 26, 0.95) 50%,
            rgba(0, 0, 0, 0.9) 100%);
    z-index: -2;
}

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

.particles-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(241, 196, 15, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(243, 156, 18, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(241, 196, 15, 0.03) 0%, transparent 50%);
    animation: rotateParticles 20s linear infinite;
}

@keyframes rotateParticles {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Main Container */
.login-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* Left Side - Branding */
.login-branding {
    flex: 1;
    background: linear-gradient(135deg,
            rgba(241, 196, 15, 0.1) 0%,
            rgba(243, 156, 18, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.branding-content {
    max-width: 500px;
    text-align: center;
    z-index: 2;
}

.logo-section {
    margin-bottom: var(--spacing-3xl);
}

.logo {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    margin-bottom: var(--spacing-md);
}

.tagline {
    font-size: var(--font-size-xl);
    color: var(--text-gray);
    font-weight: 300;
}

.features-preview {
    margin-bottom: var(--spacing-3xl);
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(241, 196, 15, 0.3);
}

.feature-icon {
    font-size: var(--font-size-2xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    font-size: var(--font-size-sm);
    color: var(--text-gray);
    line-height: 1.5;
}

.stats-preview {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(241, 196, 15, 0.2);
}

.stat {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-gold);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-gray);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Right Side - Login Form */
.login-form-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--dark-gray);
    min-height: 100vh;
}

.form-container {
    width: 100%;
    max-width: 450px;
}

.back-link {
    margin-bottom: var(--spacing-xl);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-gray);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.back-btn:hover {
    color: var(--primary-gold);
}

.back-icon {
    font-size: var(--font-size-lg);
}

.login-form-wrapper {
    background: var(--medium-gray);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--light-gray);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-xl);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    color: var(--text-gray);
    font-size: var(--font-size-lg);
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(241, 196, 15, 0.1);
}

.form-input::placeholder {
    color: var(--text-gray);
}

.form-input.error {
    border-color: var(--error-red);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--error-red);
    margin-top: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

/* Password Input */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: color var(--transition-normal);
}

.password-toggle:hover {
    color: var(--primary-gold);
}

.toggle-icon {
    font-size: var(--font-size-lg);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-md) 0;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-gray);
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    background: transparent;
    transition: all var(--transition-normal);
    position: relative;
}

.checkbox-wrapper input[type="checkbox"]:checked+.checkbox-custom {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    border-color: var(--primary-gold);
}

.checkbox-wrapper input[type="checkbox"]:checked+.checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--dark-bg);
    font-size: var(--font-size-xs);
    font-weight: bold;
}

.checkbox-label {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
}

.forgot-password {
    color: var(--primary-gold);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-normal);
}

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

/* Login Button */
.login-btn {
    width: 100%;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-bg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(241, 196, 15, 0.3);
}

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

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

.login-btn.loading .btn-text {
    opacity: 0;
}

.login-btn.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--dark-bg);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Form Divider */
.form-divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
    color: var(--text-gray);
    font-size: var(--font-size-sm);
}

.form-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--light-gray);
    z-index: 1;
}

.form-divider span {
    background: var(--medium-gray);
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

/* Social Login */
.social-login {
    display: flex;
    gap: var(--spacing-md);
}

.social-btn {
    flex: 1;
    padding: var(--spacing-lg);
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.social-btn:hover {
    border-color: var(--primary-gold);
    background: rgba(241, 196, 15, 0.1);
}

.social-icon {
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.google-btn:hover {
    border-color: #4285f4;
    background: rgba(66, 133, 244, 0.1);
}

.microsoft-btn:hover {
    border-color: #00bcf2;
    background: rgba(0, 188, 242, 0.1);
}

/* Signup Link */
.signup-link {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.signup-link p {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
}

.signup-link a {
    color: var(--primary-gold);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-normal);
}

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

/* Demo Access */
.demo-access {
    background: rgba(241, 196, 15, 0.1);
    border: 1px solid rgba(241, 196, 15, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.demo-notice h3 {
    font-size: var(--font-size-xl);
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.demo-notice p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

.demo-btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.demo-btn:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--medium-gray);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--light-gray);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.modal-header h3 {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: color var(--transition-normal);
}

.close-btn:hover {
    color: var(--primary-gold);
}

.modal-body p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(241, 196, 15, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-gray);
    border-color: var(--light-gray);
}

.btn-secondary:hover {
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

/* Success Message */
.success-message {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--success-green);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(46, 204, 113, 0.3);
    z-index: 1001;
    transform: translateX(400px);
    transition: transform var(--transition-normal);
}

.success-message.show {
    transform: translateX(0);
}

.success-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.success-icon {
    width: 24px;
    height: 24px;
    background: var(--white);
    color: var(--success-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--font-size-sm);
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1002;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(241, 196, 15, 0.3);
    border-top: 4px solid var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

.loading-overlay p {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .login-container {
        flex-direction: column;
    }

    .login-branding {
        min-height: 40vh;
        padding: var(--spacing-xl);
    }

    .features-preview {
        display: none;
    }

    .stats-preview {
        margin-top: var(--spacing-xl);
    }

    .login-form-section {
        min-height: 60vh;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .login-branding {
        min-height: 30vh;
        padding: var(--spacing-lg);
    }

    .branding-content {
        max-width: none;
    }

    .logo {
        font-size: var(--font-size-3xl);
    }

    .tagline {
        font-size: var(--font-size-lg);
    }

    .stats-preview {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .stat {
        padding: var(--spacing-md);
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--radius-md);
    }

    .login-form-section {
        padding: var(--spacing-md);
        min-height: 70vh;
    }

    .login-form-wrapper {
        padding: var(--spacing-xl);
    }

    .form-header h2 {
        font-size: var(--font-size-2xl);
    }

    .social-login {
        flex-direction: column;
    }

    .demo-access {
        padding: var(--spacing-lg);
    }

    .modal-content {
        padding: var(--spacing-xl);
        margin: var(--spacing-md);
    }

    .modal-actions {
        flex-direction: column;
    }

    .success-message {
        right: var(--spacing-md);
        left: var(--spacing-md);
        transform: translateY(-100px);
    }

    .success-message.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .login-branding {
        padding: var(--spacing-md);
    }

    .logo {
        font-size: var(--font-size-2xl);
    }

    .tagline {
        font-size: var(--font-size-base);
    }

    .login-form-wrapper {
        padding: var(--spacing-lg);
    }

    .form-header h2 {
        font-size: var(--font-size-xl);
    }

    .form-input {
        padding: var(--spacing-md);
    }

    .login-btn {
        padding: var(--spacing-md);
    }

    .form-options {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-gray: #ffffff;
        --light-gray: #ffffff;
    }

    .form-input {
        border-width: 3px;
    }

    .login-btn {
        border: 3px solid var(--dark-bg);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .particles-container::before {
        animation: none;
    }

    .loading-spinner {
        animation: none;
        border: 4px solid var(--primary-gold);
    }

    .btn-loader {
        animation: none;
        border: 2px solid var(--dark-bg);
    }
}

/* Focus states for accessibility */
.form-input:focus,
.login-btn:focus,
.social-btn:focus,
.demo-btn:focus,
.btn:focus,
.back-btn:focus,
.forgot-password:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

/* Custom focus for checkbox */
.checkbox-wrapper input[type="checkbox"]:focus+.checkbox-custom {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

/* Print styles */
@media print {

    .particles-container,
    .background-overlay,
    .demo-access {
        display: none;
    }

    .login-container {
        background: white;
        color: black;
    }

    .login-form-wrapper {
        background: white;
        border: 1px solid black;
        box-shadow: none;
    }
}