/**
 * SPB Contact Form Styles
 * 
 * Elegant, integrated contact form for Stevie Parks Books
 * Features refined typography, subtle animations, and editorial balance
 *
 * @package SPB_Contact_Form
 */

/* ==========================================================================
   Form Container - Elegant Border & Spacing
   ========================================================================== */

.spb-contact-form {
    max-width: 100%;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(139, 69, 19, 0.12);
    text-align: left;
}

/* Subtle section title */
.spb-contact-form::before {
    content: 'Send a Message';
    display: block;
    font-family: var(--font-heading, 'Playfair Display', Georgia, serif);
    font-size: 1.1rem;
    font-weight: 400;
    color: #5a5a5a;
    letter-spacing: 0.02em;
    text-align: center;
    margin-bottom: 1.75rem;
}

/* Honeypot - Hidden from view */
.spb-hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ==========================================================================
   Form Layout - Clean Grid
   ========================================================================== */

.spb-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0;
}

.spb-form-group {
    margin-bottom: 1.25rem;
    position: relative;
}

.spb-form-group-half {
    min-width: 0;
}

/* ==========================================================================
   Labels - Refined Typography
   ========================================================================== */

.spb-contact-form label {
    display: block;
    font-family: var(--font-body, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 0.75rem;
    font-weight: 500;
    color: #777;
    margin-bottom: 0.5rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.spb-contact-form label .required {
    color: #b8860b;
    margin-left: 2px;
    font-weight: 400;
}

/* ==========================================================================
   Inputs & Textarea - Elegant Styling
   ========================================================================== */

.spb-contact-form input[type="text"],
.spb-contact-form input[type="email"],
.spb-contact-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 0.9375rem;
    color: #2c2c2c;
    background: #fafaf8;
    border: 1px solid #e5dfd5;
    border-radius: 4px;
    transition: all 0.25s ease;
    box-sizing: border-box;
}

.spb-contact-form input[type="text"]::placeholder,
.spb-contact-form input[type="email"]::placeholder,
.spb-contact-form textarea::placeholder {
    color: #b0a89c;
    font-style: italic;
}

.spb-contact-form input[type="text"]:hover,
.spb-contact-form input[type="email"]:hover,
.spb-contact-form textarea:hover {
    border-color: #c9c3b8;
    background: #fff;
}

.spb-contact-form input[type="text"]:focus,
.spb-contact-form input[type="email"]:focus,
.spb-contact-form textarea:focus {
    outline: none;
    border-color: #b8860b;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.08);
}

.spb-contact-form textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Error state */
.spb-contact-form .spb-form-group.has-error input,
.spb-contact-form .spb-form-group.has-error textarea {
    border-color: #c9553d;
    background: #fffafa;
}

.spb-contact-form .spb-form-group.has-error input:focus,
.spb-contact-form .spb-form-group.has-error textarea:focus {
    box-shadow: 0 0 0 3px rgba(201, 85, 61, 0.1);
}

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

.spb-error-message {
    display: none;
    font-size: 0.75rem;
    color: #c9553d;
    margin-top: 0.4rem;
    font-weight: 500;
}

.spb-form-group.has-error .spb-error-message {
    display: block;
}

/* ==========================================================================
   Submit Button - Sophisticated & Understated
   ========================================================================== */

.spb-form-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.spb-submit-btn {
    min-width: 160px;
    /* Inherits global button styles */
}

/* Remove old gradient after effect as global button likely has its own or doesn't need this specific one */
.spb-submit-btn::after {
    display: none;
}

.spb-submit-btn:hover {
    /* Inherits global hover */
}

.spb-submit-btn:active {
    transform: translateY(0);
}

.spb-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Loading state */
.spb-submit-btn .btn-loading {
    display: none;
}

.spb-submit-btn.is-loading .btn-text {
    display: none;
}

.spb-submit-btn.is-loading .btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spb-submit-btn.is-loading .btn-loading::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spb-spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Messages (Success / Error)
   ========================================================================== */

.spb-form-messages {
    margin-top: 1.25rem;
}

.spb-success-message,
.spb-error-alert {
    display: none;
    padding: 1rem 1.25rem;
    border-radius: 4px;
    font-size: 0.875rem;
    line-height: 1.5;
    text-align: center;
}

.spb-success-message {
    background: #f7faf7;
    border: 1px solid #8fbc8f;
    color: #4a6741;
}

.spb-success-message.is-visible {
    display: block;
}

.spb-error-alert {
    background: #fdf5f4;
    border: 1px solid #e0a89a;
    color: #a44a3a;
}

.spb-error-alert.is-visible {
    display: block;
}

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

@media (max-width: 768px) {
    .spb-form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .spb-form-group-half {
        width: 100%;
    }

    .spb-submit-btn {
        width: 100%;
    }

    .spb-contact-form::before {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .spb-contact-form {
        margin-top: 2rem;
        padding-top: 2rem;
    }

    .spb-contact-form input[type="text"],
    .spb-contact-form input[type="email"],
    .spb-contact-form textarea {
        padding: 0.75rem;
        font-size: 16px;
        /* Prevents zoom on iOS */
    }

    .spb-submit-btn {
        padding: 0.875rem 1.5rem;
    }
}