/* Lumiapp Authentication Styles */

:root {
    /* Dark theme colors */
    --bg-dark: #0A0A0F;
    --bg-card: #1A1A2E;
    --bg-hover: rgba(255, 255, 255, 0.05);
    
    /* Text colors */
    --text-primary: #E8E8E8;
    --text-secondary: #A0A0A0;
    --text-muted: #606060;
    
    /* Brand colors */
    --primary: #6A46C1;
    --primary-light: #8B6BD4;
    --primary-dark: #4A2E8C;
    
    /* Accent colors */
    --accent-cyan: #00D9FF;
    --accent-purple: #9B59B6;
    
    /* Status colors */
    --success: #00FF88;
    --error: #FF4757;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #6A46C1 0%, #00D9FF 100%);
    --dark-gradient: linear-gradient(180deg, #1A1A2E 0%, #0A0A0F 100%);
    --card-gradient: linear-gradient(145deg, rgba(26, 26, 46, 0.9) 0%, rgba(10, 10, 15, 0.95) 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

/* Animated Background */
.login-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-gradient);
    overflow: hidden;
}

.login-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(106, 70, 193, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(155, 89, 182, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(1deg);
    }
    66% {
        transform: translateY(10px) rotate(-1deg);
    }
}

/* Login Card */
.login-card {
    position: relative;
    z-index: 1;
    background: var(--card-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    animation: cardSlideIn 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0px) scale(1);
    }
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.logo-image {
    width: 120px;
    height: 120px;
    filter: drop-shadow(0 0 20px rgba(106, 70, 193, 0.4)) 
            drop-shadow(0 0 40px rgba(0, 217, 255, 0.3));
}

.login-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    from {
        filter: drop-shadow(0 0 20px rgba(106, 70, 193, 0.3));
    }
    to {
        filter: drop-shadow(0 0 30px rgba(0, 217, 255, 0.4));
    }
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.8;
}

/* Form */
.login-form {
    margin-bottom: 2rem;
}

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

.login-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-hover);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.login-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.05);
    box-shadow: 
        0 0 0 3px rgba(0, 217, 255, 0.1),
        0 8px 25px rgba(0, 217, 255, 0.15);
    transform: translateY(-1px);
}

.login-input::placeholder {
    color: var(--text-muted);
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.login-input:focus + .input-icon {
    opacity: 1;
    filter: drop-shadow(0 0 8px var(--accent-cyan));
}

/* Button */
.login-button {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 16px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(106, 70, 193, 0.4);
}

.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 {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(106, 70, 193, 0.5);
}

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

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

.button-text {
    display: inline-block;
}

.button-loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    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;
}

.security-note {
    color: var(--text-muted);
    font-size: 0.875rem;
    opacity: 0.7;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .logo-image {
        width: 90px;
        height: 90px;
    }
    
    .login-title {
        font-size: 2rem;
    }
    
    .login-input, .login-button {
        border-radius: 12px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .login-card {
        border-width: 2px;
        border-color: var(--text-secondary);
    }
    
    .login-input {
        border-width: 2px;
    }
    
    .login-input:focus {
        border-width: 2px;
        border-color: var(--accent-cyan);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .login-background::before,
    .login-title,
    .login-card {
        animation: none;
    }
    
    .login-button::before {
        transition: none;
    }
    
    * {
        transition-duration: 0.01ms !important;
    }
}