:root {
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-gray-900: #262626;
    --color-gray-600: #6b6b6b;
    --color-gray-400: #9ca3af;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f2f2f2;
    --color-white: #ffffff;

    --color-accent-success: #1a7f4e;
    --color-accent-danger: #c0392b;

    --radius: 14px;
    --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);

    font-size: 16px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-gray-100);
    color: var(--color-gray-900);
    -webkit-font-smoothing: antialiased;
}

/* ---------- Login ---------- */
.login-body {
    background: var(--color-black);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 32px 24px;
}

.login-logo {
    text-align: center;
    margin-bottom: 48px;
}

.login-logo img {
    max-width: 220px;
    width: 60%;
}

.login-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-card label {
    font-size: 0.85rem;
    color: var(--color-gray-600);
    margin-top: 14px;
    margin-bottom: 6px;
}

.login-card input {
    border: 1px solid var(--color-gray-200);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 1rem;
    background: var(--color-gray-100);
    color: var(--color-black);
}

.login-card input:focus {
    outline: none;
    border-color: var(--color-black);
    background: var(--color-white);
}

.login-card button {
    margin-top: 24px;
}

/* ---------- Botones ---------- */
.btn {
    border: none;
    border-radius: 10px;
    padding: 13px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-block { width: 100%; }

.btn-primary,
.btn-dark {
    background: var(--color-black);
    color: var(--color-white);
}
.btn-primary:hover:not(:disabled),
.btn-dark:hover:not(:disabled) { opacity: 0.85; }

.btn-muted {
    background: var(--color-gray-200);
    color: var(--color-gray-600);
}

.link-danger {
    background: none;
    border: none;
    color: var(--color-accent-danger);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0;
}

/* ---------- Header (app) ---------- */
.app-header {
    background: var(--color-black);
    color: var(--color-white);
    padding: 18px 20px 14px;
}

.app-header__top {
    text-align: center;
    margin-bottom: 14px;
}

.app-header__logo {
    max-width: 160px;
    width: 45%;
}

.app-header__user {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-gray-200);
}

.app-header__user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.app-header__sep {
    color: var(--color-gray-600);
}

.app-header__user-name {
    font-weight: 600;
    color: var(--color-white);
}

/* ---------- Layout principal ---------- */
.app-main {
    max-width: 520px;
    margin: 0 auto;
    padding: 18px 16px 48px;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    padding: 20px;
    margin-bottom: 16px;
}

/* ---------- Escaneo ---------- */
.scan-controls {
    display: flex;
    gap: 12px;
}
.scan-controls .btn { flex: 1; }

.scan-reader {
    margin-top: 16px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--color-black);
}

/* ---------- Búsqueda manual ---------- */
#form-buscar label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gray-600);
    margin-bottom: 8px;
}

.search-row {
    display: flex;
    gap: 10px;
}

.search-row input {
    flex: 1;
    border: 1px solid var(--color-gray-200);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 1rem;
    background: var(--color-gray-100);
    min-width: 0;
}

.search-row input:focus {
    outline: none;
    border-color: var(--color-black);
    background: var(--color-white);
}

/* ---------- Alertas ---------- */
.alert {
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 0.9rem;
    margin-bottom: 16px;
}
.alert-error {
    background: #fdecea;
    color: var(--color-accent-danger);
    border: 1px solid #f5c6c2;
}
.alert-info {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
    border: 1px solid var(--color-gray-200);
}

/* ---------- Resultado ---------- */
.result-title {
    margin: 0 0 14px;
    font-size: 1.1rem;
    color: var(--color-accent-success);
}

.result-list {
    margin: 0 0 18px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 10px 0;
    border-bottom: 1px dashed var(--color-gray-200);
    gap: 12px;
}
.result-row:last-child { border-bottom: none; }

.result-row dt {
    color: var(--color-gray-600);
    font-size: 0.9rem;
}

.result-row dd {
    margin: 0;
    font-weight: 700;
    text-align: right;
    color: var(--color-black);
}

/* ---------- Panel de almacenes ---------- */
.almacenes-panel {
    margin-top: 16px;
    background: var(--color-gray-100);
    box-shadow: none;
    border: 1px solid var(--color-gray-200);
}

.almacenes-title {
    margin: 0 0 12px;
    font-size: 0.95rem;
    color: var(--color-gray-900);
}

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

.almacenes-table th {
    text-align: left;
    font-size: 0.8rem;
    color: var(--color-gray-600);
    padding: 8px 4px;
    border-bottom: 1px solid var(--color-gray-200);
}

.almacenes-table td {
    padding: 10px 4px;
    border-bottom: 1px solid var(--color-gray-200);
    font-size: 0.95rem;
}

.almacenes-table td:last-child,
.almacenes-table th:last-child { text-align: right; font-weight: 600; }

.almacenes-table tr.own-warehouse td {
    font-weight: 700;
}

.almacenes-table .badge-own {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--color-black);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: 999px;
    margin-left: 6px;
}

.almacenes-total {
    text-align: right;
    margin-top: 14px;
    font-weight: 700;
    font-size: 1rem;
}

/* ---------- Responsive (mobile-first: ya construido para móvil) ---------- */
@media (min-width: 640px) {
    .app-main { padding-top: 28px; }
    .login-logo img { max-width: 260px; }
}