/**
 * Subscribe Form Styles
 * 
 * Frontend styles for the subscription form
 * 
 * @package WP_Blog_Mailer
 * @since 2.0.0
 */

/* ==========================================================================
   Form Wrapper
   ========================================================================== */

.wpbm-subscribe-form-wrapper {
    max-width: 500px;
    margin: 30px auto;
    padding: 30px;
    background: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.wpbm-form-title {
    margin: 0 0 15px;
    font-size: 24px;
    font-weight: 600;
    color: #333;
    text-align: center;
}

.wpbm-form-description {
    margin: 0 0 25px;
    font-size: 16px;
    color: #666;
    text-align: center;
    line-height: 1.5;
}

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

.wpbm-message {
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
}

.wpbm-message-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.wpbm-message-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.wpbm-message-warning {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

/* ==========================================================================
   Form Fields
   ========================================================================== */

.wpbm-subscribe-form {
    margin: 0;
}

.wpbm-form-fields {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.wpbm-form-field {
    display: flex;
    flex-direction: column;
}

.wpbm-label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.wpbm-label .required {
    color: #d63638;
}

.wpbm-input {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.wpbm-input:focus {
    outline: none;
    border-color: #2271b1;
    box-shadow: 0 0 0 1px #2271b1;
}

.wpbm-input::placeholder {
    color: #999;
}

/* ==========================================================================
   Submit Button
   ========================================================================== */

.wpbm-form-submit {
    margin-top: 5px;
}

.wpbm-button {
    width: 100%;
    padding: 14px 25px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background-color: #2271b1;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

.wpbm-button:hover {
    background-color: #135e96;
}

.wpbm-button:active {
    transform: translateY(1px);
}

.wpbm-button:focus {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

.wpbm-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Loading state */
.wpbm-button.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.wpbm-button.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: wpbm-spin 0.6s linear infinite;
}

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

/* ==========================================================================
   Form Note
   ========================================================================== */

.wpbm-form-note {
    margin: 15px 0 0;
    font-size: 12px;
    color: #666;
    text-align: center;
    line-height: 1.4;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media screen and (max-width: 600px) {
    .wpbm-subscribe-form-wrapper {
        margin: 20px 10px;
        padding: 20px;
    }

    .wpbm-form-title {
        font-size: 20px;
    }

    .wpbm-form-description {
        font-size: 14px;
    }

    .wpbm-input,
    .wpbm-button {
        font-size: 14px;
    }
}

/* ==========================================================================
   Theme Variations
   ========================================================================== */

/* Minimal variant */
.wpbm-subscribe-form-wrapper.minimal {
    border: none;
    box-shadow: none;
    background: transparent;
    padding: 20px 0;
}

/* Inline variant */
.wpbm-subscribe-form-wrapper.inline .wpbm-form-fields {
    flex-direction: row;
    gap: 10px;
}

.wpbm-subscribe-form-wrapper.inline .wpbm-form-field {
    flex: 1;
}

.wpbm-subscribe-form-wrapper.inline .wpbm-form-submit {
    flex: 0 0 auto;
    margin-top: 0;
}

.wpbm-subscribe-form-wrapper.inline .wpbm-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.wpbm-subscribe-form-wrapper.inline .wpbm-button {
    width: auto;
    white-space: nowrap;
}

@media screen and (max-width: 600px) {
    .wpbm-subscribe-form-wrapper.inline .wpbm-form-fields {
        flex-direction: column;
    }

    .wpbm-subscribe-form-wrapper.inline .wpbm-form-submit {
        margin-top: 5px;
    }

    .wpbm-subscribe-form-wrapper.inline .wpbm-button {
        width: 100%;
    }
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .wpbm-subscribe-form-wrapper {
        background: #1e1e1e;
        border-color: #333;
    }

    .wpbm-form-title,
    .wpbm-label {
        color: #e5e5e5;
    }

    .wpbm-form-description,
    .wpbm-form-note {
        color: #aaa;
    }

    .wpbm-input {
        background-color: #2a2a2a;
        border-color: #444;
        color: #e5e5e5;
    }

    .wpbm-input::placeholder {
        color: #666;
    }

    .wpbm-input:focus {
        border-color: #4a9eff;
        box-shadow: 0 0 0 1px #4a9eff;
    }
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    .wpbm-subscribe-form-wrapper {
        border-width: 2px;
    }

    .wpbm-input {
        border-width: 2px;
    }

    .wpbm-button {
        border: 2px solid #000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .wpbm-input,
    .wpbm-button {
        transition: none;
    }

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

/* Focus visible for keyboard navigation */
.wpbm-input:focus-visible,
.wpbm-button:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}