/* AI Generation Theme - Auth Pages */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.auth-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    height: 100vh;
    position: relative;
}

/* Animated Gradient Background with Shader Effect */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #0f0c29, #302b63, #24243e);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    z-index: -2;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Neural Network Pattern Overlay */
.neural-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(72, 52, 212, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(138, 43, 226, 0.2) 0%, transparent 50%);
    animation: neuralPulse 8s ease-in-out infinite;
    z-index: -1;
}

@keyframes neuralPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* Floating Particles */
.particle {
    position: fixed;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
    z-index: 0;
}

.particle-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation: float 20s infinite ease-in-out;
}

.particle-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation: float 15s infinite ease-in-out 2s;
}

.particle-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 60%;
    animation: float 25s infinite ease-in-out 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); }
    25% { transform: translateY(-30px) translateX(20px) rotate(90deg); }
    50% { transform: translateY(-60px) translateX(-20px) rotate(180deg); }
    75% { transform: translateY(-30px) translateX(20px) rotate(270deg); }
}

/* Main Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Glass Card Effect */
.auth-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 50px 40px;
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.37),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 480px;
    width: 100%;
    animation: cardFadeIn 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

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

/* Glowing Border Effect */
.auth-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff00ff, #00ffff, #ff00ff);
    border-radius: 25px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: borderGlow 3s linear infinite;
}

.auth-card:hover::before {
    opacity: 0.3;
}

@keyframes borderGlow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

/* Header */
.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.auth-logo i {
    font-size: 40px;
    color: #fff;
}

.auth-title {
    color: #ffffff;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.auth-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    font-weight: 300;
}

/* Form Elements */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-label {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.form-input {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-size: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-select {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-size: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.form-select option {
    background: #1a1a2e;
    color: #ffffff;
}

/* Error Messages */
.invalid-feedback {
    color: #ff6b6b;
    font-size: 13px;
    margin-top: 5px;
    display: block;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.form-input.is-invalid {
    border-color: #ff6b6b;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.3);
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
    accent-color: #667eea;
}

.form-check-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    cursor: pointer;
}

/* Buttons */
.btn-ai {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-ai::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 ease;
}

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

.btn-ai:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

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

/* Links */
.auth-link {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
}

.auth-link:hover {
    color: #764ba2;
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-footer-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* AI Icon Animation */
.ai-icon {
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* Responsive */
@media (max-width: 576px) {
    .auth-card {
        padding: 40px 25px;
    }
    
    .auth-title {
        font-size: 26px;
    }
}