/* Authentication Page Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s infinite linear;
}

.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: 5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: 10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    left: 70%;
    animation-delay: 15s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    top: 10%;
    left: 50%;
    animation-delay: 8s;
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-100px) rotate(180deg);
        opacity: 0.3;
    }
    100% {
        transform: translateY(0px) rotate(360deg);
        opacity: 0.7;
    }
}

/* Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.auth-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.logo i {
    font-size: 32px;
    color: #ffd700;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
}

.auth-nav {
    display: flex;
    gap: 12px;
}

.nav-btn {
    padding: 10px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: transparent;
    color: white;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-btn:hover,
.nav-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Main Content */
.auth-main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

/* Form Container */
.auth-form-container {
    width: 100%;
    max-width: 450px;
    animation: slideIn 0.5s ease-out;
}

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

.auth-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 700;
}

.form-header p {
    color: #666;
    font-size: 16px;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

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

.input-group i {
    position: absolute;
    left: 15px;
    color: #666;
    z-index: 2;
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-toggle {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 5px;
    z-index: 2;
}

.password-toggle:hover {
    color: #333;
}

/* Field Hints */
.field-hint {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

/* Password Strength */
.password-strength {
    margin-top: 8px;
}

.strength-bar {
    height: 4px;
    background: #e1e5e9;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 5px;
}

.strength-fill {
    height: 100%;
    width: 0%;
    background: #e74c3c;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-text {
    font-size: 12px;
    color: #666;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #333;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #e1e5e9;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-container input:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-container input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Subscription Options */
.subscription-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-option {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-option:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.radio-option input {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 50%;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.radio-option input:checked + .radio-custom {
    border-color: #667eea;
    background: #667eea;
}

.radio-option input:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.option-content {
    display: flex;
    flex-direction: column;
}

.option-content strong {
    color: #333;
    font-weight: 600;
    margin-bottom: 2px;
}

.option-content span {
    color: #666;
    font-size: 12px;
}

/* Buttons */
.auth-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.auth-btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.auth-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

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

.auth-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e1e5e9;
}

.form-footer p {
    color: #666;
    font-size: 14px;
}

.form-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Alert Messages */
.alert-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.alert {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert.success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert.error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert.warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert.info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.alert i {
    font-size: 18px;
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.7;
    color: inherit;
}

.alert-close:hover {
    opacity: 1;
}

/* Features Section */
.features-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 60px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.features-container h3 {
    color: white;
    font-size: 32px;
    margin-bottom: 40px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-item i {
    font-size: 48px;
    color: #ffd700;
    margin-bottom: 20px;
}

.feature-item h4 {
    color: white;
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }

    .logo h1 {
        font-size: 24px;
    }

    .auth-form {
        padding: 30px 25px;
        margin: 0 10px;
    }

    .form-header h2 {
        font-size: 24px;
    }

    .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .features-container h3 {
        font-size: 28px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .alert-container {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .auth-main {
        padding: 20px 10px;
    }

    .auth-form {
        padding: 25px 20px;
    }

    .input-group input {
        padding: 12px 12px 12px 40px;
        font-size: 14px;
    }

    .auth-btn {
        padding: 12px;
        font-size: 14px;
    }
}

/* Loading States */
.loading .btn-text {
    opacity: 0;
}

.loading .btn-loader {
    display: block !important;
}

/* Validation States */
.input-group.error input {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.input-group.success input {
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.error-message i {
    font-size: 12px;
}