/* WP Password Gate — Lock Screen
   shadcn/ui Amber · Mira Style · WCAG 2.2 AA · Fullscreen */

/* ── Tokens ─────────────────────────────────────── */
:root {
    --wppg-font: "Geist", system-ui, -apple-system, sans-serif;
    --wppg-font-heading: "Instrument Sans", "Geist", system-ui, -apple-system, sans-serif;
    --wppg-bg: oklch(0.97 0 0);
    --wppg-surface: oklch(1 0 0);
    --wppg-border: oklch(0.922 0 0);
    --wppg-border-hover: oklch(0.85 0 0);
    --wppg-text: oklch(0.145 0 0);
    --wppg-text-muted: oklch(0.45 0 0);
    --wppg-text-faint: oklch(0.58 0 0);
    --wppg-primary: oklch(0.555 0.163 48.998);
    --wppg-primary-hover: oklch(0.473 0.137 46.201);
    --wppg-primary-fg: oklch(0.987 0.022 95.277);
    --wppg-ring: oklch(0.708 0 0);
    --wppg-error: oklch(0.577 0.245 27.325);
    --wppg-error-bg: oklch(0.936 0.032 17.717);
    --wppg-radius: 0.45rem;
    --wppg-radius-lg: calc(0.45rem * 1.6);
    --wppg-shadow: 0 1px 3px oklch(0 0 0 / 0.08), 0 1px 2px oklch(0 0 0 / 0.06);
    --wppg-shadow-lg: 0 4px 24px oklch(0 0 0 / 0.08), 0 2px 8px oklch(0 0 0 / 0.04);
}

/* ── Base ────────────────────────────────────────── */
.wppg-lock-body {
    margin: 0 !important;
    padding: 0 !important;
    min-height: 100vh !important;
    background: var(--wppg-bg) !important;
    font-family: var(--wppg-font) !important;
    color: var(--wppg-text) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

*, *::before, *::after {
    box-sizing: border-box;
}

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

/* ── Back Button ─────────────────────────────────── */
.wppg-back-btn {
    position: fixed;
    top: 1.25rem;
    left: 1.25rem;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    font-family: var(--wppg-font);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--wppg-text-muted);
    text-decoration: none;
    background: var(--wppg-surface);
    border: 1px solid var(--wppg-border);
    border-radius: var(--wppg-radius);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.wppg-back-btn:hover {
    color: var(--wppg-text);
    border-color: var(--wppg-border-hover);
    box-shadow: var(--wppg-shadow);
}
.wppg-back-btn:focus-visible {
    outline: 2px solid var(--wppg-ring);
    outline-offset: 2px;
}
.wppg-back-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ── Lock Page (fullscreen centered) ─────────────── */
.wppg-lock-page {
    position: fixed !important;
    inset: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 2rem !important;
    z-index: 1;
}

/* ── Card ────────────────────────────────────────── */
.wppg-lock-card {
    width: 100% !important;
    max-width: 400px !important;
    background: var(--wppg-surface) !important;
    border: 1px solid var(--wppg-border) !important;
    border-radius: var(--wppg-radius-lg) !important;
    padding: 2.5rem 2rem !important;
    box-shadow: var(--wppg-shadow-lg) !important;
    text-align: center;
    position: relative;
}

/* ── Icon ────────────────────────────────────────── */
.wppg-lock-icon {
    margin-bottom: 1.25rem;
}
.wppg-lock-icon svg {
    width: 40px;
    height: 40px;
    color: var(--wppg-text-faint);
    opacity: 0.5;
}

/* ── Heading ─────────────────────────────────────── */
.wppg-lock-heading {
    font-family: var(--wppg-font-heading) !important;
    font-size: 1.25rem !important;
    font-weight: 600 !important;
    color: var(--wppg-text) !important;
    margin: 0 0 0.375rem !important;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* ── Description ─────────────────────────────────── */
.wppg-lock-description {
    font-size: 0.875rem !important;
    color: var(--wppg-text-muted) !important;
    margin: 0 0 1.75rem !important;
    line-height: 1.55;
}

/* ── Form ────────────────────────────────────────── */
.wppg-lock-form {
    text-align: left;
}

/* ── Input Group ─────────────────────────────────── */
.wppg-input-group {
    position: relative;
    margin-bottom: 0.75rem;
}
.wppg-input-group label {
    display: block;
    font-family: var(--wppg-font);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--wppg-text);
    margin-bottom: 0.375rem;
}

.wppg-password-input {
    width: 100% !important;
    padding: 0.625rem 2.75rem 0.625rem 0.75rem !important;
    font-family: var(--wppg-font) !important;
    font-size: 0.875rem !important;
    color: var(--wppg-text) !important;
    background: var(--wppg-surface) !important;
    border: 1px solid var(--wppg-border) !important;
    border-radius: var(--wppg-radius) !important;
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: none;
    -webkit-appearance: none;
}
.wppg-password-input::placeholder {
    color: var(--wppg-text-faint);
}
.wppg-password-input:focus {
    outline: none !important;
    border-color: var(--wppg-ring) !important;
    box-shadow: 0 0 0 3px oklch(0.708 0 0 / 0.2) !important;
}

/* ── Toggle Password ─────────────────────────────── */
.wppg-toggle-password {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--wppg-text-faint);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
    border-radius: var(--wppg-radius);
}
.wppg-toggle-password:hover {
    color: var(--wppg-text-muted);
}
.wppg-toggle-password:focus-visible {
    outline: 2px solid var(--wppg-ring);
    outline-offset: 2px;
}

/* ── Submit Button ───────────────────────────────── */
.wppg-submit-btn {
    position: relative;
    width: 100% !important;
    padding: 0.625rem 1.25rem !important;
    font-family: var(--wppg-font) !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    background: var(--wppg-primary) !important;
    color: var(--wppg-primary-fg) !important;
    border: none !important;
    border-radius: var(--wppg-radius) !important;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    box-shadow: none !important;
    text-shadow: none !important;
    line-height: 1.5;
}
.wppg-submit-btn:hover:not(:disabled) {
    background: var(--wppg-primary-hover) !important;
}
.wppg-submit-btn:active:not(:disabled) {
    transform: scale(0.985);
}
.wppg-submit-btn:focus-visible {
    outline: 2px solid var(--wppg-ring);
    outline-offset: 3px;
}
.wppg-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Loading State ───────────────────────────────── */
.wppg-submit-btn .wppg-spinner { display: none; }
.wppg-submit-btn.is-loading .wppg-spinner {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid oklch(1 0 0 / 0.3);
    border-top-color: oklch(1 0 0);
    border-radius: 50%;
    animation: wppg-spin 0.6s linear infinite;
}
.wppg-submit-btn.is-loading .wppg-btn-text {
    visibility: hidden;
}

/* ── Error Message ───────────────────────────────── */
.wppg-error-message {
    color: var(--wppg-error);
    font-size: 0.8125rem;
    font-family: var(--wppg-font);
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--wppg-radius);
    background: var(--wppg-error-bg);
    border: 1px solid oklch(0.577 0.245 27.325 / 0.2);
    display: none;
}
.wppg-error-message.is-visible {
    display: block;
}

/* Error state on input */
.wppg-password-input.has-error {
    border-color: var(--wppg-error) !important;
}
.wppg-password-input.has-error:focus {
    box-shadow: 0 0 0 3px oklch(0.577 0.245 27.325 / 0.15) !important;
}

/* ── Unlock Animation ────────────────────────────── */
.wppg-lock-body.is-unlocking {
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* ── Reduced Motion ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .wppg-lock-body.is-unlocking,
    .wppg-spinner {
        animation: none !important;
        transition: none !important;
    }
    .wppg-lock-body.is-unlocking {
        opacity: 0;
    }
}

/* ── Keyframes ───────────────────────────────────── */
@keyframes wppg-spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ── Section Lock (inline) ───────────────────────── */
.wppg-section-lock {
    font-family: var(--wppg-font);
    color: var(--wppg-text);
    background: var(--wppg-surface);
    border: 1px solid var(--wppg-border);
    border-radius: var(--wppg-radius-lg);
    padding: 2rem;
    margin: 1.5rem 0;
    text-align: center;
}
.wppg-section-lock .wppg-lock-heading {
    font-size: 1.125rem !important;
}
.wppg-section-lock .wppg-password-input {
    background: var(--wppg-bg) !important;
}

.wppg-section-unlocked {
    animation: wppg-fadeIn 0.4s ease forwards;
}

@keyframes wppg-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 600px) {
    .wppg-lock-page {
        padding: 1rem !important;
    }
    .wppg-lock-card {
        padding: 2rem 1.5rem !important;
    }
    .wppg-lock-heading {
        font-size: 1.125rem !important;
    }
    .wppg-lock-description {
        margin-bottom: 1.5rem !important;
    }
    .wppg-back-btn {
        top: 0.75rem;
        left: 0.75rem;
    }
}