/* ProDental Authentication Pages CSS */
/* Clean, Professional Login Design for Healthcare SaaS */

:root {
    --primary-green: #10b981;
    --primary-green-dark: #047857;
    --secondary-green: #059669;
    --light-green: #34d399;
    --accent-green: #6ee7b7;
    --mint-green: #d1fae5;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow-x: hidden;
}

/* Animated Background Elements */
body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dental-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/><path d="M5,5 Q10,2 15,5 Q10,8 5,5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23dental-pattern)"/></svg>');
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

/* Floating Dental Icons */
.floating-icon {
    position: absolute;
    color: rgba(255, 255, 255, 0.1);
    font-size: 2rem;
    animation: floatIcon 15s ease-in-out infinite;
    pointer-events: none;
}

.floating-icon:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 20%;
    right: 15%;
    animation-delay: 3s;
}

.floating-icon:nth-child(3) {
    bottom: 20%;
    left: 15%;
    animation-delay: 6s;
}

.floating-icon:nth-child(4) {
    bottom: 10%;
    right: 10%;
    animation-delay: 9s;
}

@keyframes floatIcon {
    0%, 100% { 
        transform: translateY(0px) scale(1);
        opacity: 0.1;
    }
    50% { 
        transform: translateY(-30px) scale(1.1);
        opacity: 0.2;
    }
}

/* Main Login Container */
.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem 2rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo Section */
.logo-section {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease-out 0.2s both;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    animation: pulse 2s ease-in-out infinite;
}

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

.logo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

.logo i {
    font-size: 2rem;
    color: white;
    z-index: 1;
    position: relative;
}

.brand-name {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.welcome-text {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 400;
}

/* Form Styles */
.login-form {
    animation: fadeInUp 1s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1rem;
    color: var(--gray-800);
    background: var(--white);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
    transform: translateY(-1px);
}

.form-input:focus + .form-label {
    color: var(--primary-green);
}

/* Input Icons */
.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1.125rem;
    transition: color 0.3s ease;
    z-index: 1;
}

.input-group .form-input {
    padding-left: 3rem;
}

.input-group .form-input:focus ~ .input-icon {
    color: var(--primary-green);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 1.125rem;
    transition: color 0.3s ease;
    z-index: 1;
}

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

/* Remember Me & Forgot Password */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.875rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remember-me input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    border-radius: 4px;
    border: 2px solid var(--gray-300);
    accent-color: var(--primary-green);
}

.forgot-password {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Login Button */
.login-button {
    width: 100%;
    padding: 0.875rem 1rem;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.login-button::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;
}

.login-button:hover::before {
    left: 100%;
}

/* Loading State */
.login-button.loading {
    pointer-events: none;
}

.login-button.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.footer-text {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-green);
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
        border-radius: 20px;
    }
    
    .logo {
        width: 70px;
        height: 70px;
    }
    
    .logo i {
        font-size: 1.75rem;
    }
    
    .brand-name {
        font-size: 1.625rem;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media (max-width: 360px) {
    body {
        padding: 0.5rem;
    }
    
    .login-container {
        padding: 1.5rem 1rem;
    }
    
    .brand-name {
        font-size: 1.5rem;
    }
}