/* Mobile-First Login Page Styles */

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

:root {
    --primary-color: #258cfb;
    --primary-hover: #1a6fc7;
    --text-color: #333;
    --text-light: #666;
    --border-color: #ddd;
    --error-color: #dc3545;
    --success-color: #28a745;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --spacing-unit: 1rem;
    --min-touch-target: 44px;
    --font-size-base: 16px; /* Prevent zoom on iOS */
}

/* Mobile-First Container */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-unit);
    background: var(--bg-color);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.login-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    text-align: center;
}

.login-subtitle {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 2rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
    font-size: var(--font-size-base);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: var(--font-size-base); /* Prevent zoom on iOS */
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    min-height: var(--min-touch-target);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 140, 251, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

/* Password Input Wrapper */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper .form-control {
    padding-right: 3rem;
}

.btn-password-toggle {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    min-width: var(--min-touch-target);
    min-height: var(--min-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

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

.password-icon {
    font-size: 1.25rem;
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    min-width: var(--min-touch-target);
    min-height: var(--min-touch-target);
    margin-right: 0.5rem;
    cursor: pointer;
}

.form-check-label {
    font-size: var(--font-size-base);
    color: var(--text-color);
    cursor: pointer;
    user-select: none;
}

/* Primary Button */
.btn-login {
    width: 100%;
    padding: 0.75rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    min-height: var(--min-touch-target);
    background-color: var(--primary-color);
    border: none;
    border-radius: 4px;
    color: var(--white);
    cursor: pointer;
    transition: background-color 0.15s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-login:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-login:focus {
    outline: 3px solid rgba(37, 140, 251, 0.3);
    outline-offset: 2px;
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-spinner {
    display: inline-flex;
}

/* Divider */
.login-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 2rem 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.login-divider span {
    padding: 0 1rem;
}

/* Social Login Buttons */
.social-login {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-social {
    width: 100%;
    padding: 0.75rem;
    font-size: var(--font-size-base);
    min-height: var(--min-touch-target);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--white);
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
    cursor: pointer;
}

.btn-social:hover {
    background-color: var(--bg-color);
    border-color: var(--text-light);
    text-decoration: none;
}

.btn-social:focus {
    outline: 3px solid rgba(37, 140, 251, 0.3);
    outline-offset: 2px;
}

.btn-google {
    color: var(--text-color);
}

.btn-facebook {
    color: #1877F2;
    border-color: #1877F2;
}

.btn-facebook:hover {
    background-color: #1877F2;
    color: var(--white);
}

.social-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Links */
.login-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

.link-forgot-password,
.link-register {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-base);
    min-height: var(--min-touch-target);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.link-forgot-password:hover,
.link-register:hover {
    text-decoration: underline;
}

.link-forgot-password:focus,
.link-register:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Error Messages */
.text-danger {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.validation-summary-errors {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    padding: 0.75rem;
    margin-bottom: 1.5rem;
}

.validation-summary-errors ul {
    margin: 0;
    padding-left: 1.25rem;
}

/* Loading State */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Tablet and Desktop Styles */
@media (min-width: 768px) {
    .login-card {
        padding: 3rem;
        max-width: 450px;
    }

    .login-title {
        font-size: 2rem;
    }

    .social-login {
        flex-direction: row;
    }

    .btn-social {
        flex: 1;
    }

    .login-links {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .login-card {
        max-width: 500px;
        padding: 3.5rem;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .form-control {
        border-width: 2px;
    }

    .btn-login,
    .btn-social {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Visible for Keyboard Navigation */
.btn-login:focus-visible,
.btn-social:focus-visible,
.form-control:focus-visible,
.btn-password-toggle:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .login-container {
        background: white;
    }

    .btn-social,
    .login-links {
        display: none;
    }
}

/* Alert Styles */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: var(--font-size-base);
}

.alert-success {
    background-color: #d1e7dd;
    border-color: #badbcc;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c2c7;
    color: #842029;
}

/* Success/Error Message Styles */
.success-message,
.error-message {
    padding: 2rem 0;
}

.success-message h2,
.error-message h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.success-message p,
.error-message p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

/* Form Text Helper */
.form-text {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-light);
}