/* ============================================================
   css/style.css  —  Glossário TI
   Tema: Editorial Técnico  · Preto / Verde Neon / Branco
   Fontes: Syne (display) + Space Mono (corpo / código)
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────────*/
:root {
    --bg:         #0d0f14;
    --bg2:        #141720;
    --bg3:        #1c2030;
    --surface:    #232840;
    --border:     #2e354a;
    --accent:     #00ff88;
    --accent2:    #00c4ff;
    --accent3:    #ff4d6d;
    --text:       #e8eaf0;
    --text-muted: #7a8099;
    --text-dim:   #4a5068;
    --white:      #ffffff;

    --ff-display: 'Syne', sans-serif;
    --ff-mono:    'Space Mono', monospace;

    --radius-sm:  4px;
    --radius:     8px;
    --radius-lg:  16px;
    --shadow:     0 4px 24px rgba(0,0,0,.45);
    --shadow-lg:  0 8px 48px rgba(0,0,0,.6);

    --transition: .2s ease;
}

/* ── Tema Claro ────────────────────────────────────────────*/
[data-theme="light"] {
    --bg:         #f8f9fa;
    --bg2:        #f0f1f3;
    --bg3:        #e8eaef;
    --surface:    #ffffff;
    --border:     #d0d5e0;
    --accent:     #2d7c4a;
    --accent2:    #0066cc;
    --accent3:    #cc0033;
    --text:       #1a1f35;
    --text-muted: #5a6680;
    --text-dim:   #8a9099;
    --white:      #0d0f14;
}

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

html { scroll-behavior: smooth; }

html[data-theme] {
    transition: background-color var(--transition), color var(--transition);
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--ff-mono);
    font-size: 15px;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 10% 0%,  rgba(0,255,136,.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 90% 100%, rgba(0,196,255,.05) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] body::before {
    background:
        radial-gradient(ellipse 60% 40% at 10% 0%,  rgba(45,124,74,.03) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 90% 100%, rgba(0,102,204,.02) 0%, transparent 60%);
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--white); }

img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5 {
    font-family: var(--ff-display);
    font-weight: 800;
    line-height: 1.15;
    color: var(--white);
}

p { margin-bottom: .9rem; }

/* ── Layout ─────────────────────────────────────────────────*/
.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.site-main {
    flex: 1;
    padding: 3rem 0 5rem;
}

/* ── Header ─────────────────────────────────────────────────*/
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg2);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: var(--white);
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -.02em;
}

.logo-icon {
    font-size: 1.4rem;
    color: var(--accent);
    display: inline-block;
    transform: rotate(-10deg);
}

.logo:hover { color: var(--accent); }

/* ── Nav ────────────────────────────────────────────────────*/
.main-nav {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.nav-link {
    color: var(--text-muted);
    font-size: .85rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: .45rem .9rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: rgba(0,255,136,.08);
}

.nav-admin {
    border: 1px solid var(--border);
    color: var(--text);
    margin-left: .5rem;
}

.nav-admin:hover { border-color: var(--accent); color: var(--accent); }

.nav-logout {
    border: 1px solid var(--accent3);
    color: var(--accent3);
}

.nav-logout:hover { 
    background: rgba(255,77,109,.1);
}

/* Language Selector */
.nav-language {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1.5rem;
    padding-left: 1.5rem;
    border-left: 1px solid var(--border);
    font-size: 0.9rem;
}

.nav-label {
    color: var(--text-muted);
    font-weight: 600;
}

.lang-link {
    color: var(--accent2);
    text-decoration: none;
    transition: all var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.lang-link:hover {
    color: var(--accent);
    background: rgba(0,255,136,.08);
}

.lang-current {
    color: var(--accent);
    font-weight: 600;
    padding: 0.25rem 0.5rem;
}

.lang-separator {
    color: var(--text-muted);
}

/* Theme Toggle */
.theme-toggle {
    background: rgba(0,255,136,.08);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.85rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: .45rem .9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--ff-mono);
    margin-left: 0.5rem;
    white-space: nowrap;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0,255,136,.12);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: .4rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ── Hero / Page Title ──────────────────────────────────────*/
.page-hero {
    text-align: center;
    padding: 3.5rem 1rem 2.5rem;
}

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.8rem);
    margin-bottom: .6rem;
    background: linear-gradient(135deg, var(--white) 30%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 520px;
    margin: 0 auto;
}

/* ── Search Bar ─────────────────────────────────────────────*/
.search-form {
    display: flex;
    gap: .75rem;
    max-width: 680px;
    margin: 0 auto 2.5rem;
    flex-wrap: wrap;
}

.search-form input,
.search-form select {
    flex: 1;
    min-width: 180px;
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--ff-mono);
    font-size: .9rem;
    padding: .75rem 1rem;
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
}

.search-form input:focus,
.search-form select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,255,136,.1);
}

.search-form select option { background: var(--bg2); }

/* ── Buttons ────────────────────────────────────────────────*/
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .7rem 1.4rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-family: var(--ff-mono);
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,255,136,.3);
    filter: brightness(1.2);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-danger {
    background: rgba(255,77,109,.15);
    color: var(--accent3);
    border: 1px solid rgba(255,77,109,.3);
}

.btn-danger:hover {
    background: var(--accent3);
    color: var(--white);
}

.btn-sm { padding: .4rem .8rem; font-size: .75rem; }

/* ── Cards Grid ─────────────────────────────────────────────*/
.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.term-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .25s ease;
    display: flex;
    flex-direction: column;
}

.term-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,255,136,.1);
}

.card-img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    object-position: center;
    background: var(--bg3);
}

.card-img-placeholder {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, var(--bg3) 0%, var(--surface) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    opacity: .5;
}

.card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-category {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--accent);
    background: rgba(0,255,136,.1);
    padding: .2rem .6rem;
    border-radius: 100px;
    margin-bottom: .75rem;
    border: 1px solid rgba(0,255,136,.2);
}

.card-title {
    font-family: var(--ff-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: .5rem;
}

.card-excerpt {
    color: var(--text-muted);
    font-size: .85rem;
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    padding: .75rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .75rem;
    color: var(--text-dim);
}

.card-footer a {
    color: var(--accent2);
    font-weight: 700;
    font-size: .8rem;
}

/* ── Term Detail Page ───────────────────────────────────────*/
.term-detail {
    max-width: 820px;
    margin: 0 auto;
}

.term-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.term-detail-img {
    width: 260px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.term-detail-img img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    object-position: center;
    background: var(--bg3);
}

.term-detail-img .img-placeholder {
    width: 100%;
    height: 200px;
    background: var(--bg3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.term-detail-meta {
    flex: 1;
}

.term-detail-meta .category-tag {
    margin-bottom: 1rem;
}

.term-detail-meta h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 1rem;
}

.meta-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: .8rem;
    color: var(--text-dim);
    margin-top: 1rem;
}

.meta-item { display: flex; align-items: center; gap: .4rem; }

.definition-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    padding: 1.75rem 2rem;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text);
}

/* ── Pagination ─────────────────────────────────────────────*/
.pagination {
    display: flex;
    justify-content: center;
    gap: .5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.page-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--ff-mono);
    font-size: .85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.page-btn:hover, .page-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

.page-nav {
    font-size: 1rem;
    font-weight: 600;
}

/* ── Stats Bar ──────────────────────────────────────────────*/
.stats-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stats-bar .count {
    font-size: .85rem;
    color: var(--text-muted);
}

.stats-bar .count strong {
    color: var(--accent);
    font-family: var(--ff-display);
}

/* ── Empty State ────────────────────────────────────────────*/
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: .4;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: .5rem;
    color: var(--text-muted);
}

/* ── Alert / Flash ──────────────────────────────────────────*/
.alert {
    padding: .85rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: .9rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(0,255,136,.1);
    border-color: rgba(0,255,136,.3);
    color: var(--accent);
}

.alert-error {
    background: rgba(255,77,109,.1);
    border-color: rgba(255,77,109,.3);
    color: var(--accent3);
}

.alert-info {
    background: rgba(0,196,255,.1);
    border-color: rgba(0,196,255,.3);
    color: var(--accent2);
}

/* ── Footer ─────────────────────────────────────────────────*/
.site-footer {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: .8rem;
    color: var(--text-dim);
}

.footer-brand {
    color: var(--text-muted);
    font-family: var(--ff-display);
    font-weight: 700;
}

.footer-nav { display: flex; gap: 1rem; }
.footer-nav a { color: var(--text-dim); font-size: .8rem; }
.footer-nav a:hover { color: var(--accent); }

/* ── Admin Layout ───────────────────────────────────────────*/
.admin-wrapper {
    display: flex;
    min-height: calc(100vh - 64px);
}

.admin-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    padding: 2rem 0;
}

.admin-sidebar .sidebar-title {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--text-dim);
    padding: 0 1.5rem;
    margin-bottom: 1rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem 1.5rem;
    color: var(--text-muted);
    font-size: .875rem;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-link:hover, .sidebar-link.active {
    color: var(--accent);
    background: rgba(0,255,136,.06);
    border-left-color: var(--accent);
}

.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 1.5rem;
}

.admin-content {
    flex: 1;
    padding: 2.5rem;
    overflow-x: auto;
}

/* ── Admin Table ────────────────────────────────────────────*/
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}

.data-table th {
    text-align: left;
    padding: .75rem 1rem;
    background: var(--bg3);
    color: var(--text-muted);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: .9rem 1rem;
    border-bottom: 1px solid rgba(46,53,74,.5);
    vertical-align: middle;
}

.data-table tr:hover td { background: rgba(255,255,255,.02); }

.data-table .td-actions {
    display: flex;
    gap: .5rem;
    align-items: center;
}

/* ── Password Toggle ────────────────────────────────────────*/
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input[type="password"],
.password-input-wrapper input[type="text"] {
    width: 100%;
    padding-right: 2.5rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
    width: auto;
    height: auto;
}

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

.password-toggle.visible::after {
    content: '👁️';
}

.password-toggle.hidden::after {
    content: '👁️‍🗨️';
}

/* ── Form Styles ────────────────────────────────────────────*/
.form-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 720px;
}

.form-row {
    margin-bottom: 1.25rem;
}

.form-row label {
    display: block;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: .45rem;
}

.form-row input[type="text"],
.form-row input[type="password"],
.form-row textarea,
.form-row select {
    width: 100%;
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--ff-mono);
    font-size: .9rem;
    padding: .75rem 1rem;
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,255,136,.1);
}

.form-row textarea { resize: vertical; min-height: 120px; }

.field-error {
    color: var(--accent3);
    font-size: .78rem;
    margin-top: .3rem;
    display: none;
}

.field-error.visible { display: block; }

.form-actions {
    display: flex;
    gap: .75rem;
    margin-top: 1.75rem;
}

/* ── Login Page ─────────────────────────────────────────────*/
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    padding: 1rem;
}

.login-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo .icon { font-size: 2.5rem; color: var(--accent); }
.login-logo h2 { font-size: 1.5rem; margin-top: .5rem; }

/* ── Responsive ─────────────────────────────────────────────*/
@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg2);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem;
        gap: .25rem;
        z-index: 99;
    }

    .main-nav.open { display: flex; }

    .nav-link { width: 100%; padding: .65rem 1rem; }

    .term-detail-header { flex-direction: column; }
    .term-detail-img { width: 100%; }

    .admin-wrapper { flex-direction: column; }
    .admin-sidebar { width: 100%; padding: 1rem 0; }
    .admin-content { padding: 1.25rem; }

    .search-form { flex-direction: column; }
    .search-form input,
    .search-form select { min-width: 100%; }

    .footer-inner { flex-direction: column; text-align: center; }

    .terms-grid { grid-template-columns: 1fr; }
}