/* ===================================
   웨딩센스 - 로그인 페이지 스타일
   style-login.css
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #ff6b9d;
    --primary-light: #ff8db3;
    --primary-dark: #e55a89;
    --secondary-color: #feca57;
    --gradient-primary: linear-gradient(135deg, #ff6b9d 0%, #feca57 100%);
    --gradient-soft: linear-gradient(135deg, rgba(255, 107, 157, 0.1) 0%, rgba(254, 202, 87, 0.1) 100%);
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --border-color: #e9ecef;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --success-color: #4caf50;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    opacity: 0.1;
}

.heart-bg {
    position: absolute;
    font-size: 20px;
    animation: float 20s infinite ease-in-out;
}

.heart-bg::before {
    content: '♥';
    color: var(--white);
}

.heart-1 { top: 10%; left: 10%; animation-delay: 0s; }
.heart-2 { top: 20%; left: 80%; animation-delay: 5s; }
.heart-3 { top: 60%; left: 20%; animation-delay: 10s; }
.heart-4 { top: 80%; left: 70%; animation-delay: 15s; }
.heart-5 { top: 40%; left: 50%; animation-delay: 7s; }

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.1;
    }
    50% {
        transform: translateY(-100px) rotate(180deg);
        opacity: 0.1;
    }
    90% {
        opacity: 0.1;
    }
}

/* Login Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 2rem;
}

/* Login Box */
.login-box {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    animation: slideUp 0.6s ease-out;
}

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

/* Logo Section */
.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo a {
    text-decoration: none;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: block;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.login-logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    margin: 0.5rem 0;
    color: var(--text-dark);
}

.tagline {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

/* Login Form */
.login-form-wrapper {
    margin-top: 2rem;
}

.login-title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.login-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Input Groups */
.input-group {
    position: relative;
    margin-bottom: 1rem;
}

.input-group-text {
    background: var(--gradient-soft);
    border: 1px solid var(--border-color);
    border-right: none;
    color: var(--primary-color);
    padding: 0.75rem 1rem;
}

.form-control {
    border: 1px solid var(--border-color);
    border-left: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 157, 0.25);
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    color: var(--primary-dark);
}

/* Password Toggle */
#togglePassword {
    border: 1px solid var(--border-color);
    border-left: none;
    background: var(--white);
    color: var(--text-light);
}

#togglePassword:hover {
    color: var(--primary-color);
}

/* Checkbox & Links */
.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 157, 0.25);
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

/* Login Button */
.btn-login {
    background: var(--gradient-primary);
    border: none;
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 107, 157, 0.4);
}

/* Social Login */
.social-login-section {
    margin-top: 2rem;
}

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

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

.divider span {
    background: var(--white);
    padding: 0 1rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Social Buttons */
.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--white);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    color: var(--text-dark);
}

.btn-social img {
    width: 20px;
    height: 20px;
}

.btn-social:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-kakao:hover {
    background: #FEE500;
    border-color: #FEE500;
    color: #000000;
}

.btn-naver:hover {
    background: #03C75A;
    border-color: #03C75A;
    color: var(--white);
}

.btn-google:hover {
    background: #4285F4;
    border-color: #4285F4;
    color: var(--white);
}

/* Sign Up Link */
.signup-link {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.signup-link a:hover {
    text-decoration: underline;
}

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.login-footer a {
    color: var(--text-light);
    text-decoration: none;
}

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

/* Features Section */
.login-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 600px;
}

.feature-item {
    text-align: center;
    color: var(--white);
}

.feature-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.9;
}

.feature-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Toast Customization */
.toast {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* Loading State */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .login-features {
        display: none;
    }
    
    .login-container {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .login-box {
        padding: 2rem 1.5rem;
    }
    
    .login-logo h1 {
        font-size: 1.75rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .social-buttons {
        font-size: 0.875rem;
    }
    
    .btn-social {
        padding: 0.625rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --text-dark: #ffffff;
        --text-light: #adb5bd;
        --border-color: #495057;
        --gray-100: #212529;
    }
    
    .bg-animation {
        opacity: 0.05;
    }
    
    .input-group-text {
        background: rgba(255, 107, 157, 0.1);
    }
}

/* Login Processing Steps */
.login-processing-box {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    max-width: 450px;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease;
}

.processing-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.processing-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.processing-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.processing-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Steps */
.step-container {
    margin: 2rem 0;
}

.step {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--gray-100);
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
}

.step.active {
    background: var(--white);
    border-color: var(--primary-color);
}

.step.completed {
    background: rgba(76, 175, 80, 0.1);
    border-color: var(--success-color);
}

.step-icon {
    width: 40px;
    height: 40px;
    margin-right: 1rem;
    position: relative;
}

.step-icon i {
    font-size: 1.5rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

.step-icon .step-spinner {
    color: var(--primary-color);
    opacity: 0;
}

.step-icon .step-default {
    color: #bbb;
    opacity: 1;
}

.step.active .step-icon .step-spinner {
    opacity: 1;
    animation: spin 1s linear infinite;
}

.step.active .step-icon .step-default {
    opacity: 0;
}

.step.completed .step-icon .step-default {
    color: var(--success-color);
    opacity: 1;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.step-text {
    flex: 1;
}

.step-text strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Progress Bar */
.progress-bar-container {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    margin: 2rem 0;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 0;
    transition: width 0.6s ease;
}

/* Security Notice */
.security-notice {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 2rem;
}

.security-notice i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}