/* Auth - Login page styles */
:root {
    --primary-color: #1a237e;
    --primary-light: #3f51b5;
    --secondary-color: #00bcd4;
    --accent-color: #ff6f00;
    --success-color: #4caf50;
    --dark-bg: #0f172a;
    --text-light: #e8eaf6;
}

body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    position: relative;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Floating Particles */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 80%; top: 10%; animation-delay: 2s; }
.particle:nth-child(3) { left: 15%; top: 70%; animation-delay: 4s; }
.particle:nth-child(4) { left: 90%; top: 60%; animation-delay: 6s; }

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.7; }
    50% { transform: translateY(-30px) scale(1.2); opacity: 1; }
}

/* Main Container */
.login-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    animation: slideUp 0.8s ease-out;
}

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

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 2.5rem 2rem 2rem;
    text-align: center;
    position: relative;
}

.login-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--primary-color);
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.brand-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(255, 255, 255, 0.3); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(255, 255, 255, 0.5); }
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    opacity: 0.9;
    margin: 0;
}

.login-form {
    padding: 2.5rem 2rem;
}

.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1.25rem 1rem 1.25rem 3.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
    transform: translateY(-2px);
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
    font-size: 1.1rem;
    z-index: 2;
}

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

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), #ff8f00);
    color: white;
    border: none;
    padding: 1.25rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn::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;
}

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

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 111, 0, 0.3);
}

.form-links {
    text-align: center;
    margin-top: 2rem;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.form-links a:hover {
    color: var(--accent-color);
}

.divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: #64748b;
    font-size: 0.9rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

.divider span {
    padding: 0 1rem;
}

.back-to-home {
    position: absolute;
    top: 2rem;
    left: 2rem;
    z-index: 20;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    transform: translateX(-3px);
}

.alert {
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.form-check {
    margin-bottom: 1.5rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
    }

    .login-form {
        padding: 2rem 1.5rem;
    }

    .back-to-home {
        top: 1rem;
        left: 1rem;
    }
}