@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================================
   Variáveis
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg:        #0d1117;
    --bg2:       #161b27;
    --bg3:       #1e2535;
    --bg4:       #252d40;
    --accent:    #4a7cf7;
    --accent-h:  #5b8df9;
    --success:   #2dbe7a;
    --danger:    #e84545;
    --warning:   #e8943a;
    --text:      #dde3f0;
    --text-dim:  #a0aab8;
    --muted:     #586275;
    --border:    rgba(255,255,255,0.07);
    --border-h:  rgba(255,255,255,0.13);
    --nav-h:     58px;
    --radius:    8px;
    --radius-lg: 12px;
    --shadow:    0 2px 8px rgba(0,0,0,0.45);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.6);
}

/* ============================================================
   Base
   ============================================================ */
html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-size: 13.5px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ============================================================
   NAV
   ============================================================ */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    background: #111827;
    border-bottom: 1px solid rgba(255,255,255,0.09);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text);
    letter-spacing: 0.2px;
    flex-shrink: 0;
}

.nav-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 0.1rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    padding: 0.38rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 450;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.nav-links a:hover {
    background: var(--bg3);
    color: var(--text);
}

.nav-links a.active {
    background: var(--bg4);
    color: var(--text);
    font-weight: 500;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

#user-info {
    font-size: 0.76rem;
    color: var(--muted);
    font-weight: 400;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.3rem 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.76rem;
    font-family: inherit;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-logout:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(232,69,69,0.06);
}

/* ============================================================
   MAIN
   ============================================================ */
main {
    padding: calc(var(--nav-h) + 2rem) 2.25rem 3rem;
    max-width: 1140px;
    margin: 0 auto;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--text);
    letter-spacing: -0.2px;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 1.25rem;
}

/* ============================================================
   FORMULÁRIOS
   ============================================================ */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dim);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.58rem 0.9rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.86rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.18s, background 0.18s;
    appearance: none;
    -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group select::placeholder {
    color: var(--muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: var(--bg4);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23586275' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.25rem;
}

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

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius);
    border: none;
    font-size: 0.83rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: opacity 0.18s, background 0.18s;
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.1px;
}

.btn:hover  { opacity: 0.85; }
.btn:active { opacity: 0.7; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary { background: var(--accent);   color: #fff; }
.btn-success { background: var(--success);  color: #fff; }
.btn-danger  { background: var(--danger);   color: #fff; }
.btn-warning { background: var(--warning);  color: #fff; }
.btn-ghost   {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
}
.btn-ghost:hover { background: var(--bg3); color: var(--text); opacity: 1; }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.76rem; }

/* ============================================================
   TABELAS
   ============================================================ */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    border-bottom: 1px solid var(--border);
}

table th, table td {
    padding: 0.72rem 1rem;
    text-align: left;
}

table th {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.69rem;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

table td {
    color: var(--text);
    font-size: 0.86rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

table tbody tr:hover td {
    background: rgba(74,124,247,0.05);
}

table tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-block;
    padding: 0.18rem 0.55rem;
    border-radius: 100px;
    font-size: 0.69rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-success { background: rgba(45,190,122,0.12); color: var(--success); }
.badge-danger  { background: rgba(232,69,69,0.12);  color: var(--danger);  }
.badge-warning { background: rgba(232,148,58,0.12); color: var(--warning); }
.badge-info    { background: rgba(74,124,247,0.12); color: var(--accent-h); }

/* ============================================================
   MENSAGENS
   ============================================================ */
.msg {
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius);
    font-size: 0.83rem;
    margin-top: 1rem;
    display: none;
    font-weight: 450;
}

.msg.show      { display: block; }
.msg-success   { background: rgba(45,190,122,0.1);  color: var(--success); border: 1px solid rgba(45,190,122,0.25);  }
.msg-error     { background: rgba(232,69,69,0.1);   color: var(--danger);  border: 1px solid rgba(232,69,69,0.25);   }
.msg-info      { background: rgba(74,124,247,0.1);  color: var(--accent-h);border: 1px solid rgba(74,124,247,0.25);  }

/* ============================================================
   BUSCA
   ============================================================ */
.search-bar {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.1rem;
}

.search-bar input {
    flex: 1;
    padding: 0.55rem 0.9rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.86rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.18s;
}

.search-bar input:focus { border-color: var(--accent); }
.search-bar input::placeholder { color: var(--muted); }

/* ============================================================
   LOGIN
   ============================================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}

.login-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2.25rem;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.5rem;
}

.login-header .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text);
    flex-shrink: 0;
}

.login-header h1 {
    font-size: 1.1rem;
    font-weight: 650;
    color: var(--text);
}

.login-subtitle {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 1.75rem;
    padding-left: 0.1rem;
}

/* ============================================================
   DASHBOARD — STAT CARDS
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    border-radius: 3px 0 0 3px;
}

.stat-card.green::after  { background: var(--success); }
.stat-card.blue::after   { background: var(--accent);  }
.stat-card.orange::after { background: var(--warning); }
.stat-card.red::after    { background: var(--danger);  }

.stat-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.7px;
    margin-bottom: 0.6rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -1px;
}

.stat-value.green  { color: var(--success); }
.stat-value.blue   { color: var(--accent-h); }
.stat-value.orange { color: var(--warning); }
.stat-value.red    { color: var(--danger);  }

/* ============================================================
   GALERIA
   ============================================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.gallery-grid img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.gallery-grid img:hover { border-color: var(--accent); }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--muted);
    font-size: 0.85rem;
}

/* ============================================================
   DIVISOR
   ============================================================ */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.25rem 0;
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 900px) {
    .nav-links { display: none; }
    main { padding: calc(var(--nav-h) + 1.25rem) 1rem 2rem; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .login-box  { padding: 1.75rem 1.25rem; }
}