/* Wina Bwangu Authentication Styles */
/* Stunning login and signup pages for Zambian fintech application */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --zambia-green: #4CAF50;
    --zambia-red: #FF5722;
    --zambia-orange: #FF9800;
    --deep-blue: #1a237e;
    --light-blue: #e3f2fd;
    --gold-accent: #ffd700;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Auth Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.auth-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    background: var(--primary-gradient);
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    opacity: 0;
}

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

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    left: 70%;
    animation-delay: 1s;
}

.shape-5 {
    width: 40px;
    height: 40px;
    top: 10%;
    left: 60%;
    animation-delay: 3s;
}

.shape-6 {
    width: 90px;
    height: 90px;
    top: 70%;
    left: 40%;
    animation-delay: 5s;
}

.shape.animate {
    opacity: 1;
    animation: float 6s ease-in-out infinite;
}

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

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
}

/* Left Side Branding */
.auth-left {
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.95), rgba(102, 126, 234, 0.9));
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="90" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.auth-branding {
    position: relative;
    z-index: 2;
    padding: 2rem;
}

.brand-logo i {
    font-size: 4rem;
    color: var(--gold-accent);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.brand-title {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
}

.brand-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

.brand-features {
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    opacity: 0.9;
}

.feature-item i {
    color: var(--gold-accent);
    font-size: 1.3rem;
}

/* Right Side Form */
.auth-right {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    position: relative;
}

.mobile-brand {
    color: white;
    margin-bottom: 2rem;
}

.mobile-brand i {
    font-size: 2.5rem;
    color: var(--gold-accent);
    display: block;
}

/* Auth Card */
.auth-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-heavy);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateY(30px);
    opacity: 0;
    transition: var(--transition);
}

.auth-card.animate-in {
    transform: translateY(0);
    opacity: 1;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 0;
}

/* Form Styles */
.auth-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-label i {
    color: var(--deep-blue);
}

.input-group {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.input-group:focus-within {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.input-group-text {
    background: var(--deep-blue);
    color: white;
    border: none;
    padding: 1rem;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-control {
    border: none;
    padding: 1rem;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

.form-control:focus {
    background: white;
    box-shadow: none;
    border: none;
}

.form-control::placeholder {
    color: var(--text-light);
    font-weight: 400;
}

/* Password Toggle Button */
#togglePassword {
    border: none;
    background: var(--light-blue);
    color: var(--deep-blue);
    padding: 1rem;
    transition: var(--transition);
}

#togglePassword:hover {
    background: var(--deep-blue);
    color: white;
}

/* Form Check */
.form-check-input {
    width: 1.2em;
    height: 1.2em;
    border-radius: 6px;
    border: 2px solid var(--deep-blue);
    margin-top: 0.2em;
}

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

.form-check-label {
    color: var(--text-dark);
    font-weight: 500;
    margin-left: 0.5rem;
}

/* Buttons */
.auth-btn {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.auth-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.auth-btn:hover::before {
    left: 100%;
}

.auth-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.auth-btn:active {
    transform: translateY(-1px);
}

.auth-btn-outline {
    background: transparent;
    border: 2px solid var(--deep-blue);
    color: var(--deep-blue);
    border-radius: var(--border-radius);
    padding: 1rem 2rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    text-align: center;
}

.auth-btn-outline:hover {
    background: var(--deep-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Links */
.auth-link {
    color: var(--deep-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.auth-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-accent);
    transition: width 0.3s ease;
}

.auth-link:hover {
    color: var(--text-dark);
}

.auth-link:hover::after {
    width: 100%;
}

/* Divider */
.auth-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
}

.auth-divider span {
    background: white;
    padding: 0 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

/* Demo Credentials */
.demo-credentials {
    margin-top: 2rem;
}

.demo-credentials .card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.demo-credentials .card-title {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 1rem;
}

.demo-credentials .card-title i {
    color: var(--zambia-green);
}

.demo-item {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.demo-item strong {
    color: var(--deep-blue);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-light);
    border-left: 4px solid;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border-left-color: #dc3545;
    color: #721c24;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-left-color: #28a745;
    color: #155724;
}

.alert i {
    margin-right: 0.5rem;
}

/* Loading States */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* Responsive Design */
@media (max-width: 991.98px) {
    .auth-left {
        display: none !important;
    }
    
    .auth-right {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .auth-card {
        background: rgba(255, 255, 255, 0.95);
        margin: 1rem;
        padding: 2rem;
    }
    
    .brand-title {
        font-size: 2rem;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .auth-title {
        font-size: 1.3rem;
    }
    
    .auth-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .form-control {
        padding: 0.8rem;
    }
    
    .input-group-text {
        padding: 0.8rem;
        min-width: 45px;
    }
}

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

/* Focus States */
.form-control:focus,
.auth-btn:focus,
.auth-btn-outline:focus {
    outline: 2px solid var(--gold-accent);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .auth-card {
        background: white;
        border: 2px solid black;
    }
    
    .form-control {
        border: 2px solid black;
    }
    
    .auth-btn {
        border: 2px solid black;
    }
}

/* Print Styles */
@media print {
    .auth-background,
    .floating-shapes,
    .demo-credentials {
        display: none !important;
    }
    
    .auth-body {
        background: white !important;
    }
    
    .auth-card {
        box-shadow: none !important;
        border: 1px solid black !important;
    }
}