/**
 * Custom Secure Auth - Frontend Styles
 *
 * Non-invasive styling that inherits theme defaults
 * Flexbox grid system with responsive breakpoints
 *
 * @package CustomSecureAuth
 */

/* ==========================================================================
   Flexbox Grid System
   ========================================================================== */

.csa-form-group {
    margin-bottom: 15px;
}

.auth-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.auth-grid > * {
    flex: 1 1 auto;
    min-width: 0; /* Prevent flex item overflow */
}

.col-33 {
    flex-basis: calc(33.333% - 10px);
}

.col-50 {
    flex-basis: calc(50% - 7.5px);
}

.col-100 {
    flex-basis: 100%;
}

/* ==========================================================================
   Form Container
   ========================================================================== */

.csa-form-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

.csa-form-wrapper {
    /* Inherit theme styles */
    font-family: inherit;
    background-color: inherit;
    color: inherit;
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.csa-form-field {
    margin-bottom: 15px;
}

.csa-form-field label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: inherit;
}

.csa-form-field label.required::after {
    content: " *";
    color: #d63638;
}

.csa-form-field input[type="text"],
.csa-form-field input[type="email"],
.csa-form-field input[type="password"],
.csa-form-field input[type="tel"],
.csa-form-field input[type="url"],
.csa-form-field input[type="number"],
.csa-form-field input[type="date"],
.csa-form-field select,
.csa-form-field textarea,
/* Also style inputs outside .csa-form-field for backward compatibility */
.csa-form input[type="text"],
.csa-form input[type="email"],
.csa-form input[type="password"],
.csa-form input[type="tel"],
.csa-form input[type="url"],
.csa-form input[type="number"],
.csa-form input[type="date"],
.csa-form select,
.csa-form textarea,
/* Auth forms */
form[id^="csa-"] input[type="text"],
form[id^="csa-"] input[type="email"],
form[id^="csa-"] input[type="password"],
form[id^="csa-"] input[type="tel"],
form[id^="csa-"] input[type="url"],
form[id^="csa-"] input[type="number"],
form[id^="csa-"] select,
form[id^="csa-"] textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
    color: inherit;
    background-color: inherit;
    transition: border-color 0.2s ease-in-out;
    box-sizing: border-box;
}

.csa-form-field input:focus,
.csa-form-field select:focus,
.csa-form-field textarea:focus,
.csa-form input:focus,
.csa-form select:focus,
.csa-form textarea:focus,
form[id^="csa-"] input:focus,
form[id^="csa-"] select:focus,
form[id^="csa-"] textarea:focus {
    outline: 2px solid #2271b1;
    outline-offset: 0;
    border-color: #2271b1;
}

.csa-form-field textarea {
    resize: vertical;
    min-height: 80px;
}

.csa-form-field select {
    cursor: pointer;
}

.csa-form-field input[type="checkbox"],
.csa-form-field input[type="radio"] {
    margin-right: 6px;
    cursor: pointer;
}

/* Checkbox/Radio wrapper */
.csa-checkbox-wrapper,
.csa-radio-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.csa-checkbox-wrapper label,
.csa-radio-wrapper label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: normal;
}

/* Field help text */
.csa-field-help {
    font-size: 12px;
    color: #666;
    margin-top: 4px;
    display: block;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.csa-button,
.csa-form-field input[type="submit"],
.csa-form-field button[type="submit"] {
    display: inline-block;
    padding: 10px 20px;
    background-color: #2271b1;
    color: #fff;
    border: 1px solid #2271b1;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.csa-button:hover,
.csa-form-field input[type="submit"]:hover,
.csa-form-field button[type="submit"]:hover {
    background-color: #135e96;
    border-color: #135e96;
    color: #fff;
}

.csa-button:focus,
.csa-form-field input[type="submit"]:focus,
.csa-form-field button[type="submit"]:focus {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

.csa-button:disabled,
.csa-form-field input[type="submit"]:disabled,
.csa-form-field button[type="submit"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.csa-button-secondary {
    background-color: #fff;
    color: #2271b1;
    border-color: #2271b1;
}

.csa-button-secondary:hover {
    background-color: #f0f0f1;
    color: #135e96;
    border-color: #135e96;
}

/* ==========================================================================
   Messages
   ========================================================================== */

.csa-message,
.csa-notice {
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    border-left: 4px solid;
    font-size: 14px;
    line-height: 1.5;
}

.csa-error,
.csa-notice-error {
    background-color: #fcf0f1;
    border-left-color: #d63638;
    color: #3c434a;
}

.csa-success,
.csa-notice-success {
    background-color: #edfaef;
    border-left-color: #00a32a;
    color: #3c434a;
}

.csa-warning,
.csa-notice-warning {
    background-color: #fcf9e8;
    border-left-color: #dba617;
    color: #3c434a;
}

.csa-info,
.csa-notice-info {
    background-color: #e5f5fa;
    border-left-color: #2271b1;
    color: #3c434a;
}

.csa-notice p {
    margin: 0;
}

/* Inline error messages for fields */
.csa-field-error {
    display: block;
    color: #d63638;
    font-size: 12px;
    margin-top: 4px;
}

.csa-form-field.has-error input,
.csa-form-field.has-error select,
.csa-form-field.has-error textarea {
    border-color: #d63638;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.csa-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.csa-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #2271b1;
    border-top-color: transparent;
    border-radius: 50%;
    animation: csa-spin 0.6s linear infinite;
}

@keyframes csa-spin {
    to { transform: rotate(360deg); }
}

.csa-button-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.csa-button-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: csa-spin 0.6s linear infinite;
}

/* ==========================================================================
   Form Links
   ========================================================================== */

.csa-form-links {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    font-size: 14px;
}

.csa-form-links a {
    color: #2271b1;
    text-decoration: none;
    white-space: nowrap;
}

.csa-form-links a:hover {
    text-decoration: underline;
}

.csa-form-links a:focus {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

/* Stack links on very small screens */
@media (max-width: 400px) {
    .csa-form-links {
        flex-direction: column;
        gap: 10px;
    }
}

/* ==========================================================================
   Fun Username Generator
   ========================================================================== */

.csa-username-refresh {
    color: #00a32a;
    cursor: pointer;
    margin-left: 8px;
    font-size: 16px;
    transition: color 0.2s ease;
    display: inline-block;
}

.csa-username-refresh:hover {
    color: #008a20;
}

.csa-username-refresh-spinning {
    animation: csa-spin-refresh 0.6s linear infinite;
}

@keyframes csa-spin-refresh {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Password Strength Indicator
   ========================================================================== */

.csa-password-strength {
    margin-top: 8px;
    height: 4px;
    background-color: #ddd;
    border-radius: 2px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.csa-password-strength-bar {
    height: 100%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.csa-password-strength.weak .csa-password-strength-bar {
    width: 33%;
    background-color: #d63638;
}

.csa-password-strength.medium .csa-password-strength-bar {
    width: 66%;
    background-color: #dba617;
}

.csa-password-strength.strong .csa-password-strength-bar {
    width: 100%;
    background-color: #00a32a;
}

.csa-password-strength-text {
    font-size: 12px;
    margin-top: 4px;
    color: #666;
}

/* ==========================================================================
   reCAPTCHA Badge Positioning
   ========================================================================== */

.grecaptcha-badge {
    z-index: 999;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.csa-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* High contrast focus states */
@media (prefers-contrast: high) {
    .csa-form-field input:focus,
    .csa-form-field select:focus,
    .csa-form-field textarea:focus,
    .csa-button:focus {
        outline-width: 3px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .csa-form-field input,
    .csa-form-field select,
    .csa-form-field textarea,
    .csa-button,
    .csa-loading::after,
    .csa-button-loading::after,
    .csa-password-strength,
    .csa-password-strength-bar {
        transition: none;
        animation: none;
    }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 600px) {
    .auth-grid {
        gap: 10px;
    }

    .col-33,
    .col-50 {
        flex-basis: 100%;
    }

    .csa-form-container {
        padding: 15px;
    }

    .csa-form-field input[type="text"],
    .csa-form-field input[type="email"],
    .csa-form-field input[type="password"],
    .csa-form-field input[type="tel"],
    .csa-form-field input[type="url"],
    .csa-form-field input[type="number"],
    .csa-form-field input[type="date"],
    .csa-form-field select,
    .csa-form-field textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .csa-button,
    .csa-form-field input[type="submit"],
    .csa-form-field button[type="submit"] {
        width: 100%;
        padding: 12px 20px;
    }
}

@media (max-width: 400px) {
    .csa-form-container {
        padding: 10px;
    }

    .csa-message {
        padding: 10px 12px;
        font-size: 13px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .csa-button,
    .csa-form-links {
        display: none;
    }
}