/**
 * RSite — UI Components  v1.0
 * Depends on: base.css (variables, reset)
 *
 * Reusable UI building blocks with state and interactivity.
 * Every component is self-contained: buttons, forms, cards, navigation.
 * No decorative elements — form follows function.
 */

/* 
   STORY CARDS
*/

.story-card {
    padding: var(--space-xl) var(--space-xl);
    margin-bottom: var(--space-lg);
}

.story-card h2 {
    color: var(--gold-accent);
    font-family: var(--font-heading);
    margin-bottom: var(--space-md);
}

.story-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.story-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

/* 
   CALLOUTS (content pipeline)
*/

.callout {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    background: var(--bg-hover-faint);
    border-left: 3px solid var(--gold-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.callout-icon {
    flex-shrink: 0;
    font-size: 1.2em;
    line-height: 1.4;
    padding-top: 2px;
}

.callout-body {
    flex: 1;
    min-width: 0;
}

.callout-body p {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.6;
}

.callout-body p+p {
    margin-top: var(--space-sm);
}

/* Type variants — border color */
.callout-note {
    border-color: var(--gold-accent);
}

.callout-lore {
    border-color: #9b7ad8;
}

/* 
   BUTTONS
*/

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 11px 22px;
    font-family: var(--font-body);
    font-size: 0.95em;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    line-height: 1.4;
    -webkit-user-select: none;
    user-select: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

/* Primary — gold accent */
.btn-primary {
    background: var(--accent-gradient);
    border-color: var(--accent-border-hover);
    color: var(--gold-accent);
}

.btn-primary:hover {
    background: var(--accent-gradient-hover);
    border-color: var(--accent-border-active);
    color: var(--gold-light);
    box-shadow: 0 4px 20px var(--accent-glow-md);
    transform: translateY(-2px);
}

/* Navigation — subtle glass */
.btn-nav {
    background: var(--bg-hover-light);
    border-color: var(--glass-border);
    color: var(--text-primary);
}

.btn-nav:hover {
    background: var(--bg-hover-strong);
    border-color: var(--glass-border-hover);
    color: var(--gold-light);
}

/* Submit — used in forms */
.btn-submit {
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-dark));
    border-color: transparent;
    color: var(--bg-dark);
    font-weight: 700;
    padding: 12px 28px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-accent));
    box-shadow: 0 4px 24px var(--accent-glow-lg);
    transform: translateY(-2px);
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Approve — green accent */
.btn-approve {
    background: var(--success-bg);
    border: 1px solid var(--success-bg);
    color: var(--success);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    cursor: pointer;
    transition: all var(--duration-normal) ease;
}

.btn-approve:hover {
    background: var(--success-bg);
    border-color: var(--success-border);
}

/* Small variant */
.btn-sm {
    padding: 7px 14px;
    font-size: 0.85em;
    border-radius: var(--radius-sm);
}

/* 
   NAVIGATION
*/

.nav-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.nav-group.center {
    justify-content: center;
}

.back-link {
    color: var(--gold-accent);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity var(--duration-fast) ease;
    font-size: 0.95em;
}

.back-link:hover {
    opacity: 1;
    color: var(--gold-light);
}

/* 
   FORM ELEMENTS
*/

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 0.9em;
    font-weight: 400;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px var(--space-md);
    background: var(--surface-overlay-mid);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95em;
    transition: border-color var(--duration-fast) ease,
        box-shadow var(--duration-fast) ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--gold-accent);
    box-shadow: var(--focus-ring-shadow);
}
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* 
   LISTS
*/

.list-unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
}

/*
   SECTION HEAD — title + badge (layout from .panel-block__header)
*/

.dash-section-title {
    font-family: var(--font-heading);
    font-size: 1.1em;
    color: var(--gold-accent);
}

.dash-section-badge {
    font-size: 0.75em;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    background: var(--accent-glow-sm);
    color: var(--gold-accent);
    border: 1px solid var(--accent-bg-hover);
}

.dash-section-body {
    padding: 20px 24px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.dash-section-body.is-sorting {
    opacity: 0;
    transform: translateY(10px);
}

/*
   ACHIEVEMENTS
*/

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    min-width: 0;
}

/* ── Tier system — 6 ranks ── */
.achievement.tier-1 { --tier-color: #8B7355; --tier-glow: 0px; }
.achievement.tier-2 { --tier-color: #4A90A4; --tier-glow: 4px; }
.achievement.tier-3 { --tier-color: #C0A030; --tier-glow: 8px; }
.achievement.tier-4 { --tier-color: #9B59B6; --tier-glow: 12px; }
.achievement.tier-5 { --tier-color: #E74C3C; --tier-glow: 16px; }
.achievement.tier-6 { --tier-color: #FF6B6B; --tier-glow: 16px; }

/* ── Base card ── */
.achievement {
    position: relative;
    background: var(--ach-bg);
    border-radius: 12px;
    border: 1.5px solid transparent;
    padding: 10px 6px;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 0;
    overflow: hidden;
    user-select: none;
}

/* ── Locked state ── */
.achievement.locked {
    background: var(--ach-locked-bg);
    border-color: var(--ach-locked-border);
}
.achievement.locked .ach-icon {
    filter: grayscale(1) brightness(0.35);
}
.achievement.locked .ach-name {
    opacity: 0.35;
    color: var(--ach-text-locked);
}

/* ── Earned state — border and glow by tier ── */
.achievement.earned {
    border-color: var(--tier-color);
    box-shadow:
        0 0 var(--tier-glow) var(--tier-color),
        inset 0 0 calc(var(--tier-glow) * 0.4)
            color-mix(in srgb, var(--tier-color) 15%, transparent);
}

/* ── Hover ── */
.achievement:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 24px var(--ach-hover-shadow),
        0 0 var(--tier-glow) var(--tier-color);
}

/* ── Tier 5 — pulsing contour ── */
@keyframes ach-pulse-5 {
    0%, 100% {
        box-shadow: 0 0 12px #E74C3C,
                    inset 0 0 6px color-mix(in srgb, #E74C3C 15%, transparent);
    }
    50% {
        box-shadow: 0 0 22px #E74C3C,
                    inset 0 0 10px color-mix(in srgb, #E74C3C 25%, transparent);
    }
}
.achievement.tier-5.earned {
    animation: ach-pulse-5 3s ease-in-out infinite;
}
.achievement.tier-5.earned:hover {
    animation: ach-pulse-5 3s ease-in-out infinite;
}

/* ── Tier 6 — rainbow gradient ── */
@keyframes ach-rainbow {
    0%   { border-color: #FF6B6B; box-shadow: 0 0 18px #FF6B6B; }
    20%  { border-color: #FFD93D; box-shadow: 0 0 18px #FFD93D; }
    40%  { border-color: #6BCB77; box-shadow: 0 0 18px #6BCB77; }
    60%  { border-color: #4D96FF; box-shadow: 0 0 18px #4D96FF; }
    80%  { border-color: #C77DFF; box-shadow: 0 0 18px #C77DFF; }
    100% { border-color: #FF6B6B; box-shadow: 0 0 18px #FF6B6B; }
}
.achievement.tier-6.earned {
    animation: ach-rainbow 4s linear infinite;
}

/* ── Icon ── */
.achievement .ach-icon {
    font-size: clamp(24px, 5vw, 36px);
    line-height: 1;
    transition: filter 200ms;
    filter: drop-shadow(0 0 6px color-mix(in srgb, var(--tier-color, transparent) 60%, transparent));
}

/* ── Name ── */
.achievement .ach-name {
    font-size: clamp(9px, 1.8vw, 12px);
    text-align: center;
    color: var(--ach-text);
    line-height: 1.35;
    font-weight: 500;
}

/* ── Earned date ── */
.achievement .ach-date {
    font-size: 10px;
    color: var(--tier-color);
    opacity: 0.7;
    letter-spacing: 0.05em;
}

/* ── Tier badge (kanji in corner) ── */
.achievement .ach-tier-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    font-size: 9px;
    color: var(--tier-color);
    opacity: 0.6;
    letter-spacing: 0.03em;
}

/* ══════════════════════════════════════════════
   ACHIEVEMENT MODAL — jade tablet popup
   ══════════════════════════════════════════════ */

.ach-modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
}
.ach-modal-backdrop[aria-hidden="false"],
.ach-modal-backdrop:not([aria-hidden]) {
    display: block;
}

.ach-modal {
    display: none;
    position: fixed;
    z-index: 1001;
    background: var(--ach-modal-bg);
    border: 1px solid var(--ach-tier-color, #8B7355);
    box-shadow:
        0 0 30px color-mix(in srgb, var(--ach-tier-color, #8B7355) 30%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--ach-tier-color, #8B7355) 40%, transparent);
    border-radius: 16px;
    padding: 32px 24px 24px;
    max-width: 420px;
    width: 90vw;
    text-align: center;
    animation: ach-modal-in 200ms ease forwards;
}
.ach-modal[aria-hidden="false"],
.ach-modal:not([aria-hidden]) {
    display: block;
}

@keyframes ach-modal-in {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Desktop: centered */
@media (min-width: 641px) {
    .ach-modal {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    @keyframes ach-modal-in {
        from { opacity: 0; transform: translate(-50%, calc(-50% + 24px)); }
        to   { opacity: 1; transform: translate(-50%, -50%); }
    }
}

/* Mobile: bottom sheet */
@media (max-width: 640px) {
    .ach-modal {
        bottom: 10px;
        left: 10px;
        right: 10px;
        width: auto;
        max-width: none;
        border-radius: 16px 16px 0 0;
        max-height: 70vh;
        overflow-y: auto;
    }
    @keyframes ach-modal-in {
        from { opacity: 0; transform: translateY(100%); }
        to   { opacity: 1; transform: translateY(0); }
    }
}

.ach-modal__close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: var(--ach-modal-close);
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    transition: color 150ms;
}
.ach-modal__close:hover {
    color: var(--ach-modal-close-hover);
}

.ach-modal__icon {
    font-size: 64px;
    line-height: 1;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 12px color-mix(in srgb, var(--ach-tier-color, transparent) 50%, transparent));
}

.ach-modal__name {
    font-family: var(--font-heading, 'Cinzel', serif);
    font-size: 18px;
    color: var(--ach-text);
    margin: 0 0 8px;
    font-weight: 600;
}

.ach-modal__rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 12px;
    border-radius: 20px;
    border: 1px solid var(--ach-tier-color, #8B7355);
    color: var(--ach-tier-color, #8B7355);
    font-size: 12px;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.ach-modal__divider {
    border: none;
    border-top: 1px solid var(--ach-modal-divider);
    margin: 0 0 16px;
}

.ach-modal__section-title {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ach-tier-color, #8B7355);
    opacity: 0.7;
    margin: 0 0 6px;
    text-align: left;
}

.ach-modal__desc,
.ach-modal__hint {
    color: var(--ach-modal-text);
    font-size: 14px;
    line-height: 1.5;
    margin: 0 0 16px;
    text-align: left;
}

.ach-modal__status {
    font-size: 13px;
    padding-top: 12px;
    border-top: 1px solid rgba(139, 115, 85, 0.15);
    margin-top: 8px;
}
.ach-modal__status.earned {
    color: var(--ach-tier-color, #8B7355);
}
.ach-modal__status.locked {
    color: var(--ach-modal-text-dim);
    font-style: italic;
}

.ach-modal__hidden-text {
    color: var(--ach-modal-text-dim);
    font-style: italic;
    font-size: 13px;
}

/*
   CONTENT CARD — shared pattern for mechanics/notes/roadmap grids
*/

.content-grid {
    display: grid;
    gap: var(--space-lg);
}

.content-card {
    padding: var(--space-xl);
    transition: border-color var(--duration-normal) ease;
}

.content-card:hover {
    border-color: var(--accent-glow-lg);
}

.content-card__title {
    color: var(--gold-accent);
    font-family: var(--font-heading);
    font-size: 1.2em;
}

/*
   RESPONSIVE
*/

@media (max-width: 768px) {
    .story-card {
        padding: var(--space-lg);
    }

    .nav-group {
        justify-content: center;
    }
}

/*
   PANEL BLOCK — two-tone container with dark header + lighter body
   Used by: comments panel, profile dashboard sections
*/

.panel-block {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-default);
    padding: 0;
}

.panel-block__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--plastic-bg);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-default);
}

.panel-block__body {
    background: var(--surface-overlay-light);
    padding: var(--space-lg);
}