/* ============================================
   LOGIN PAGE STYLES
   Modern Authentication Interface
   ============================================ */

/* Body & Layout */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-bg);
    font-family: var(--font-body);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-blue);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: var(--primary-blue-light);
    bottom: -150px;
    right: -150px;
    animation-delay: 7s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: var(--primary-blue-dark);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(50px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* Login Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    padding: var(--space-md);
}

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

.back-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(-4px);
}

.back-link svg {
    transition: transform var(--transition-base);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

/* Login Card */
.login-card {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
            transparent 0%,
            var(--primary-blue) 50%,
            transparent 100%);
    opacity: 0.5;
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.brand-logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 var(--space-xs);
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    font-weight: 400;
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Input Group */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

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

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition-base);
}

.input-field {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all var(--transition-base);
    outline: none;
}

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

.input-field:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--primary-blue-glow);
}

.input-field:focus+.input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--primary-blue);
}

/* Toggle Password Button */
.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-base);
}

.toggle-password:hover {
    color: var(--text-primary);
}

.toggle-password:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

/* Custom Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    position: relative;
}

.checkbox-label input[type="checkbox"]:checked+.checkbox-custom {
    background: var(--gradient-primary);
    border-color: var(--primary-blue);
}

.checkbox-label input[type="checkbox"]:checked+.checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-label input[type="checkbox"]:focus+.checkbox-custom {
    box-shadow: 0 0 0 3px var(--primary-blue-glow);
}

.checkbox-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Forgot Password Link */
.forgot-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-base);
}

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

/* Login Button */
.login-button {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
    margin-top: var(--space-md);
    box-shadow: 0 4px 16px var(--primary-blue-glow);
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--primary-blue-glow);
}

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

.login-button:focus {
    outline: 2px solid var(--primary-blue-light);
    outline-offset: 2px;
}

.button-icon {
    transition: transform var(--transition-base);
}

.login-button:hover .button-icon {
    transform: translateX(4px);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--space-lg) 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.divider span {
    padding: 0 1rem;
}

/* Social Login */
.social-login {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.social-button {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all var(--transition-base);
}

.social-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.social-button:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.social-button svg {
    width: 20px;
    height: 20px;
}

/* Sign Up Link */
.signup-link {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.signup-link p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.signup-anchor {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-base);
}

.signup-anchor:hover {
    color: var(--primary-blue-light);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 640px) {
    .login-container {
        padding: var(--space-sm);
    }

    .login-card {
        padding: var(--space-lg);
    }

    .brand-logo {
        font-size: 2rem;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .floating-shape {
        filter: blur(60px);
    }

    .shape-1 {
        width: 300px;
        height: 300px;
    }

    .shape-2 {
        width: 350px;
        height: 350px;
    }

    .shape-3 {
        width: 250px;
        height: 250px;
    }
}

/* Loading State (for future use) */
.login-button.loading {
    pointer-events: none;
    opacity: 0.7;
}

.login-button.loading .button-text::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {

    0%,
    20% {
        content: '.';
    }

    40% {
        content: '..';
    }

    60%,
    100% {
        content: '...';
    }
}