/* ── CSS Custom Property Defaults ────────────────────────────────────────── */
/* These are overridden by the inline <style> injected by wp_add_inline_style  */
:root {
    --cerberus-accent:       #4F46E5;
    --cerberus-accent-hover: #4338CA;
    --cerberus-bg:           #ffffff;
    --cerberus-text:         #111827;
    --cerberus-muted:        #6B7280;
    --cerberus-border:       #E5E7EB;
    --cerberus-radius:       12px;
    --cerberus-font:         system-ui, -apple-system, sans-serif;
}

/*
 * Araneum Cerberus — Frontend Styles
 * Single file. Works for both page (shortcode) and modal contexts.
 * All colors via CSS custom properties set by PHP.
 */

/* ── Reset & Base ─────────────────────────────────────────────────────────── */
.cerberus-wrap *,
.cerberus-wrap *::before,
.cerberus-wrap *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.cerberus-wrap {
    --cerberus-shadow-soft:   0 4px 24px rgba(0, 0, 0, .08);
    --cerberus-shadow-medium: 0 8px 40px rgba(0, 0, 0, .14);
    --cerberus-shadow-strong: 0 16px 60px rgba(0, 0, 0, .22);

    font-family: var(--cerberus-font);
    color: var(--cerberus-text);
    -webkit-font-smoothing: antialiased;
}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.cerberus-card {
    background: var(--cerberus-bg);
    border-radius: var(--cerberus-radius);
    overflow: hidden;
}
.cerberus-wrap[data-shadow="soft"]   .cerberus-card { box-shadow: var(--cerberus-shadow-soft); }
.cerberus-wrap[data-shadow="medium"] .cerberus-card { box-shadow: var(--cerberus-shadow-medium); }
.cerberus-wrap[data-shadow="strong"] .cerberus-card { box-shadow: var(--cerberus-shadow-strong); }

/* ── Layout: 2-column ─────────────────────────────────────────────────────── */
.cerberus-columns {
    display: flex;
}

.cerberus-layout-2col .cerberus-columns {
    flex-direction: row;
}

.cerberus-layout-2col {
    max-width: 1020px;
    margin-left: auto;
    margin-right: auto;
}

.cerberus-layout-1col {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cerberus-col {
    flex: 1;
    padding: 32px;
    min-width: 0;
}

/* 2col: each column has a comfortable minimum */
.cerberus-layout-2col .cerberus-col {
    min-width: 280px;
}

/* ── Social top bar (above both columns) ─────────────────────────────────── */
.cerberus-social-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 28px 28px 0;
}

/* Buttons: centered, fixed width, no background */
.cerberus-social-top .cerberus-social-btn {
    width: 320px;
    max-width: 100%;
    justify-content: center;
    background: transparent;
    border-color: var(--cerberus-border);
}

.cerberus-social-top .cerberus-social-btn:hover {
    background: color-mix(in srgb, var(--cerberus-border) 30%, transparent);
    border-color: #9ca3af;
    box-shadow: none;
}

/* Divider below the social buttons */
.cerberus-social-top-divider {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0 8px;
}
.cerberus-social-top-divider::before,
.cerberus-social-top-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--cerberus-border);
}
.cerberus-social-top-divider span {
    font-size: 12px;
    color: var(--cerberus-muted);
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

/* Thin vertical divider between the two form columns */
.cerberus-col-divider {
    width: 1px;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--cerberus-border) 10%,
        var(--cerberus-border) 90%,
        transparent 100%
    );
    flex-shrink: 0;
    align-self: stretch;
}

/* ── Layout: 1-column with tabs ───────────────────────────────────────────── */
.cerberus-layout-1col .cerberus-columns {
    flex-direction: column;
}

.cerberus-tabs {
    display: flex;
    border-bottom: 1.5px solid var(--cerberus-border);
    background: var(--cerberus-bg);
    padding: 0 24px;
}

.cerberus-tab {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--cerberus-font);
    font-size: 14px;
    font-weight: 600;
    color: var(--cerberus-muted);
    padding: 14px 4px;
    margin-right: 24px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1.5px;
    transition: color .2s, border-color .2s;
}

.cerberus-tab.is-active,
.cerberus-tab[aria-selected="true"] {
    color: var(--cerberus-accent);
    border-bottom-color: var(--cerberus-accent);
}

.cerberus-tab:hover:not(.is-active) {
    color: var(--cerberus-text);
}

/* ── Column header ────────────────────────────────────────────────────────── */
.cerberus-col-header {
    margin-bottom: 24px;
}

.cerberus-col-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--cerberus-text);
    line-height: 1.25;
}

.cerberus-col-subtitle {
    font-size: 13.5px;
    color: var(--cerberus-muted);
    margin-top: 4px;
}

/* ── Form ──────────────────────────────────────────────────────────────────── */
.cerberus-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Two-field row (first name + last name) */
.cerberus-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* ── Field ────────────────────────────────────────────────────────────────── */
.cerberus-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.cerberus-field label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--cerberus-muted);
    letter-spacing: .03em;
}

.cerberus-required {
    color: var(--cerberus-accent);
    margin-left: 2px;
}

.cerberus-field input[type="text"],
.cerberus-field input[type="email"],
.cerberus-field input[type="password"] {
    width: 100%;
    padding: 10px 13px;
    border: 1.5px solid var(--cerberus-border);
    border-radius: calc(var(--cerberus-radius) * .6);
    background: var(--cerberus-bg);
    color: var(--cerberus-text);
    font-family: var(--cerberus-font);
    font-size: 14px;
    outline: none;
    transition: border-color .18s, box-shadow .18s;
    -webkit-appearance: none;
    appearance: none;
}

.cerberus-field input:focus {
    border-color: var(--cerberus-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cerberus-accent) 15%, transparent);
}

.cerberus-field input.is-invalid {
    border-color: #EF4444;
}

.cerberus-field-error {
    font-size: 11.5px;
    color: #EF4444;
    display: none;
}
.cerberus-field-error.is-visible {
    display: block;
}

/* ── Password field ───────────────────────────────────────────────────────── */
.cerberus-password-wrap {
    position: relative;
}

.cerberus-password-wrap input[type="password"],
.cerberus-password-wrap input[type="text"] {
    padding-right: 42px;
}

.cerberus-toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--cerberus-muted);
    display: flex;
    align-items: center;
    transition: color .15s;
}

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

.cerberus-eye {
    width: 18px;
    height: 18px;
}

/* ── Strength meter ───────────────────────────────────────────────────────── */
.cerberus-strength-meter {
    height: 4px;
    background: var(--cerberus-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 2px;
}

.cerberus-strength-bar {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width .3s, background .3s;
}

.cerberus-strength-bar[data-level="1"] { width: 20%; background: #EF4444; }
.cerberus-strength-bar[data-level="2"] { width: 40%; background: #F97316; }
.cerberus-strength-bar[data-level="3"] { width: 60%; background: #EAB308; }
.cerberus-strength-bar[data-level="4"] { width: 80%; background: #22C55E; }
.cerberus-strength-bar[data-level="5"] { width: 100%; background: #16A34A; }

.cerberus-strength-label {
    font-size: 11px;
    color: var(--cerberus-muted);
    min-height: 14px;
    display: block;
}

/* ── Login meta (remember + forgot) ───────────────────────────────────────── */
.cerberus-login-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.cerberus-checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--cerberus-muted);
    cursor: pointer;
}

.cerberus-checkbox-label input[type="checkbox"] {
    accent-color: var(--cerberus-accent);
    width: 14px;
    height: 14px;
    cursor: pointer;
}

.cerberus-forgot-link {
    font-size: 13px;
    color: var(--cerberus-accent);
    text-decoration: none;
}
.cerberus-forgot-link:hover {
    text-decoration: underline;
}

/* ── Button ───────────────────────────────────────────────────────────────── */
.cerberus-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border: none;
    border-radius: calc(var(--cerberus-radius) * .6);
    font-family: var(--cerberus-font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s, opacity .18s, transform .1s;
    position: relative;
    text-decoration: none;
    white-space: nowrap;
}

.cerberus-btn--primary {
    background: var(--cerberus-accent);
    color: #fff;
}
.cerberus-btn--primary:hover {
    background: var(--cerberus-accent-hover, color-mix(in srgb, var(--cerberus-accent) 85%, #000));
}

.cerberus-btn--full {
    width: 100%;
}

.cerberus-btn.is-loading .cerberus-btn-text {
    opacity: 0;
}
.cerberus-btn.is-loading .cerberus-btn-spinner {
    display: block;
}

.cerberus-btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    position: absolute;
    animation: cerberus-spin .7s linear infinite;
}

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

.cerberus-btn:disabled {
    opacity: .65;
    cursor: not-allowed;
}

/* ── Message ──────────────────────────────────────────────────────────────── */
.cerberus-message {
    padding: 10px 14px;
    border-radius: calc(var(--cerberus-radius) * .5);
    font-size: 13.5px;
    line-height: 1.45;
}
.cerberus-message[hidden] { display: none; }
.cerberus-message.is-success {
    background: #F0FDF4;
    color: #166534;
    border: 1px solid #BBF7D0;
}
.cerberus-message.is-error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

/* ── Guest link ───────────────────────────────────────────────────────────── */
.cerberus-guest-link {
    display: block;
    text-align: center;
    font-size: 13px;
    color: var(--cerberus-muted);
    text-decoration: none;
    margin-top: -4px;
}
.cerberus-guest-link:hover {
    color: var(--cerberus-text);
    text-decoration: underline;
}

/* ── 1-col switch link ────────────────────────────────────────────────────── */
.cerberus-switch-text {
    text-align: center;
    font-size: 13px;
    color: var(--cerberus-muted);
}

.cerberus-switch-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--cerberus-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--cerberus-accent);
    padding: 0;
    text-decoration: underline;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
    /* Stack 2col to 1col */
    .cerberus-layout-2col .cerberus-columns {
        flex-direction: column;
    }

    /* Social top: stack buttons vertically on mobile */
    .cerberus-social-top {
        flex-direction: column;
        padding: 16px 20px 0;
    }
    .cerberus-social-top .cerberus-social-btn {
        width: 100%;
        flex: none;
    }
    /* Hide col divider on mobile */
    .cerberus-col-divider {
        display: none;
    }

    .cerberus-col {
        padding: 24px;
    }

    /* Name row stacks on mobile */
    .cerberus-row {
        grid-template-columns: 1fr;
    }

    /* Ensure inputs don't overflow */
    .cerberus-wrap input[type="text"],
    .cerberus-wrap input[type="email"],
    .cerberus-wrap input[type="password"] {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) {
    .cerberus-col {
        padding: 20px 16px;
    }
}

/* ── Critical: ensure [hidden] works even if theme overrides it ─────────────── */
.cerberus-wrap [hidden],
.cerberus-panel[hidden] {
    display: none !important;
}

/* ── 1col: register + login panels get top breathing room ───────────────────── */
.cerberus-layout-1col #cerberus-register-panel .cerberus-col-header,
.cerberus-layout-1col .cerberus-col--register .cerberus-col-header,
.cerberus-layout-1col #cerberus-login-panel .cerberus-col-header,
.cerberus-layout-1col .cerberus-col--login .cerberus-col-header {
    margin-top: 20px;
}

/* ── Logged-in card ──────────────────────────────────────────────────────────── */
.cerberus-loggedin-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    background: var(--cerberus-bg);
    border-radius: var(--cerberus-radius);
    flex-wrap: wrap;
}

.cerberus-loggedin-avatar img {
    border-radius: 50%;
    display: block;
}

.cerberus-loggedin-info {
    flex: 1;
    min-width: 0;
}

.cerberus-loggedin-greeting {
    font-size: 15px;
    color: var(--cerberus-text);
    margin: 0 0 2px;
}

.cerberus-loggedin-email {
    font-size: 13px;
    color: var(--cerberus-muted);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cerberus-loggedin-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cerberus-btn--secondary {
    background: transparent;
    color: var(--cerberus-accent);
    border: 1.5px solid var(--cerberus-accent);
}
.cerberus-btn--secondary:hover {
    background: color-mix(in srgb, var(--cerberus-accent) 8%, transparent);
}

.cerberus-btn--logout {
    background: transparent;
    color: #EF4444;
    border: 1.5px solid #EF4444;
}
.cerberus-btn--logout:hover {
    background: #FEF2F2;
}

/* ══════════════════════════════════════════════════════════════
   MODAL OVERLAY  (v1.1)
   ══════════════════════════════════════════════════════════════ */

.cerberus-modal-overlay {
    position: fixed !important;
    inset: 0 !important;
    z-index: 999999 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 24px !important;
}

.cerberus-modal-overlay[hidden] {
    display: none !important;
}

/* Backdrop */
.cerberus-modal-backdrop {
    position: absolute !important;
    inset: 0 !important;
    background: rgba(10, 15, 30, 0.72) !important;
    backdrop-filter: blur(6px) !important;
    -webkit-backdrop-filter: blur(6px) !important;
}

/* Container */
.cerberus-modal-container {
    position: relative !important;
    z-index: 1 !important;
    width: 100% !important;
    max-width: 880px !important;
    animation: cerberus-modal-in .26s cubic-bezier(.34, 1.4, .64, 1) both !important;
}

@keyframes cerberus-modal-in {
    from { opacity: 0; transform: scale(.94) translateY(16px); }
    to   { opacity: 1; transform: none; }
}

/* Content card */
.cerberus-modal-content {
    background: var(--cerberus-bg) !important;
    border-radius: calc(var(--cerberus-radius) + 4px) !important;
    box-shadow: 0 32px 80px rgba(0, 0, 0, .4) !important;
    overflow: hidden !important; /* clipped at corners; mobile overrides to auto */
}

/* Remove extra margin/padding from wrap inside modal */
.cerberus-modal-content .cerberus-wrap {
    max-width: none !important;
    margin: 0 !important;
}

.cerberus-modal-content .cerberus-layout-2col .cerberus-col {
    min-width: 240px !important;
}

/* Close button */
.cerberus-modal-close {
    position: absolute !important;
    top: -44px !important;
    right: 0 !important;
    background: rgba(255, 255, 255, .15) !important;
    border: none !important;
    border-radius: 50% !important;
    width: 36px !important;
    height: 36px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    color: #fff !important;
    transition: background .18s !important;
    padding: 0 !important;
}

.cerberus-modal-close:hover {
    background: rgba(255, 255, 255, .28) !important;
}

/* Body scroll lock */
body.cerberus-modal-open {
    overflow: hidden !important;
}

/* Mobile */
@media (max-width: 700px) {
    .cerberus-modal-overlay {
        padding: 0 !important;
        align-items: flex-end !important;
    }
    .cerberus-modal-container {
        max-width: 100% !important;
        max-height: 92vh !important;
        display: flex !important;
        flex-direction: column !important;
        animation: cerberus-modal-in-mobile .28s ease both !important;
    }
    @keyframes cerberus-modal-in-mobile {
        from { opacity: 0; transform: translateY(40px); }
        to   { opacity: 1; transform: none; }
    }
    .cerberus-modal-content {
        border-radius: calc(var(--cerberus-radius) + 4px) calc(var(--cerberus-radius) + 4px) 0 0 !important;
        overflow-y: auto !important;   /* scroll instead of clip */
        -webkit-overflow-scrolling: touch !important;
        flex: 1 !important;
    }
    .cerberus-modal-content .cerberus-col {
        padding: 20px 16px !important;
    }
    .cerberus-modal-content .cerberus-row {
        grid-template-columns: 1fr !important;
    }
    .cerberus-modal-close {
        top: -40px !important;
    }
}

/* ══════════════════════════════════════════════════════════════
   SOCIAL BUTTONS  (v1.2)
   ══════════════════════════════════════════════════════════════ */

.cerberus-social-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 4px 0;
}
.cerberus-social-divider::before,
.cerberus-social-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--cerberus-border);
}
.cerberus-social-divider span {
    font-size: 11.5px;
    color: var(--cerberus-muted);
    font-weight: 500;
    white-space: nowrap;
}

.cerberus-social-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Base social button */
.cerberus-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 10px 16px;
    background: #fff;
    border: 1.5px solid var(--cerberus-border);
    border-radius: calc(var(--cerberus-radius) * .6);
    font-family: var(--cerberus-font);
    font-size: 14px;
    font-weight: 500;
    color: var(--cerberus-text);
    cursor: pointer;
    transition: background .16s, border-color .16s, box-shadow .16s;
    text-decoration: none;
    position: relative;
}

.cerberus-social-btn:hover {
    background: #f9fafb;
    border-color: #D1D5DB;
    box-shadow: 0 1px 4px rgba(0,0,0,.07);
}

.cerberus-social-btn.is-loading {
    opacity: .7;
    pointer-events: none;
}

.cerberus-social-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Guest button: slightly muted */
.cerberus-social-btn--guest {
    color: var(--cerberus-muted);
    border-style: dashed;
}
.cerberus-social-btn--guest:hover {
    color: var(--cerberus-text);
    border-style: solid;
}
.cerberus-social-btn--guest .cerberus-social-icon {
    stroke: var(--cerberus-muted);
}

/* Social loading spinner */
.cerberus-social-btn .cerberus-btn-spinner {
    width: 14px;
    height: 14px;
    border-color: rgba(0,0,0,.15);
    border-top-color: var(--cerberus-text);
    position: static;
    display: none;
    margin-left: auto;
}
.cerberus-social-btn.is-loading .cerberus-btn-spinner {
    display: block;
}

/* ── Logo (v1.4) ─────────────────────────────────────────────────────────── */
.cerberus-logo-wrap {
    display: flex;
    justify-content: center;
    padding: 24px 28px 0;
}

.cerberus-logo {
    max-height: 56px;
    max-width: 180px;
    width: auto;
    height: auto;
    object-fit: contain;
}