/* ===== RESET Y BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
html, body { overflow-x: hidden; }
body { background: #1a1410; background-image: radial-gradient(circle at 20% 30%, #2c1f18 0%, #0d0a08 100%); min-height: 100vh; padding: 20px; color: #f0d5a8; }
.container { max-width: 1200px; margin: auto; width: 100%; }

/* ===== HEADER ===== */
.header { background: linear-gradient(135deg, #1a110e, #2c1a12); padding: 20px 30px; border-radius: 16px; border-bottom: 3px solid #c9a84c; box-shadow: 0 8px 30px rgba(0,0,0,0.7); margin-bottom: 25px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
.header h1 { color: #f0d5a8; font-size: 2.2rem; font-weight: 300; letter-spacing: 2px; }
.header h1 span { color: #c9a84c; font-weight: 700; }
.header .slogan { color: #a08060; font-size: 0.9rem; letter-spacing: 3px; }
.header-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.header-actions button { background: rgba(201, 168, 76, 0.15); border: 1px solid #c9a84c; color: #f0d5a8; padding: 8px 18px; border-radius: 8px; cursor: pointer; transition: 0.3s; font-size: 0.9rem; }
.header-actions button:hover { background: #c9a84c; color: #1a1410; }
.header-actions button.activo { background: #c9a84c; color: #1a1410; }

/* ===== TABS ===== */
.tabs { display: flex; gap: 5px; margin-bottom: 25px; flex-wrap: wrap; }
.tabs button { background: rgba(255,255,255,0.05); border: none; color: #8a7a6a; padding: 12px 24px; border-radius: 10px 10px 0 0; cursor: pointer; font-weight: 600; font-size: 1rem; transition: 0.3s; border-bottom: 3px solid transparent; }
.tabs button:hover { color: #f0d5a8; background: rgba(255,255,255,0.08); }
.tabs button.activo { color: #f0d5a8; border-bottom-color: #c9a84c; background: rgba(201, 168, 76, 0.1); }

/* ===== PANELES ===== */
.panel { display: none; background: rgba(26, 20, 16, 0.92); backdrop-filter: blur(10px); padding: 30px; border-radius: 0 0 16px 16px; border: 1px solid rgba(201, 168, 76, 0.15); box-shadow: 0 8px 40px rgba(0,0,0,0.5); }
.panel.activo { display: block; }
.panel h2 { color: #f0d5a8; font-weight: 300; font-size: 1.8rem; margin-bottom: 20px; border-bottom: 1px solid rgba(201, 168, 76, 0.2); padding-bottom: 12px; }
.panel h2 small { font-size: 0.9rem; color: #8a7a6a; font-weight: 300; }
.panel h3 { color: #f0d5a8; font-weight: 300; font-size: 1.4rem; margin-bottom: 15px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }

/* ===== FORMULARIOS ===== */
label { color: #c9a84c; display: block; margin: 15px 0 5px; font-weight: 600; font-size: 0.9rem; letter-spacing: 1px; }
input, select, textarea { width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(201, 168, 76, 0.2); border-radius: 8px; color: #f0d5a8; font-size: 1rem; transition: 0.3s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: #c9a84c; box-shadow: 0 0 20px rgba(201, 168, 76, 0.1); background: rgba(255,255,255,0.08); }
input::placeholder, textarea::placeholder { color: #6a5a4a; }
select option { background: #1a1410; color: #f0d5a8; }
.row { display: flex; gap: 20px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 200px; }

/* ===== BOTONES ===== */
.btn { background: linear-gradient(135deg, #c9a84c, #b8923a); color: #1a1410; padding: 12px 28px; border: none; border-radius: 8px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: 0.3s; text-transform: uppercase; letter-spacing: 1px; margin-top: 10px; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(201, 168, 76, 0.3); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secundario { background: rgba(255,255,255,0.08); color: #f0d5a8; border: 1px solid rgba(201, 168, 76, 0.2); }
.btn-secundario:hover { background: rgba(255,255,255,0.15); box-shadow: none; }
.btn-danger { background: #8b2a2a; color: #f0d5a8; }
.btn-danger:hover { background: #a03030; box-shadow: 0 6px 25px rgba(139, 42, 42, 0.3); }
.btn-success { background: #2a7a4a; color: #f0d5a8; }
.btn-success:hover { background: #349a5a; }

/* ===== HORAS ===== */
.huecos-grid { display: flex; flex-wrap: wrap; gap: 8px; margin: 15px 0; }
.huecos-grid button { background: rgba(201, 168, 76, 0.1); border: 1px solid rgba(201, 168, 76, 0.15); color: #f0d5a8; padding: 10px 18px; border-radius: 6px; cursor: pointer; transition: 0.3s; font-weight: 600; min-width: 70px; }
.huecos-grid button:hover { background: rgba(201, 168, 76, 0.2); border-color: #c9a84c; }
.huecos-grid button.seleccionado { background: #c9a84c; color: #1a1410; border-color: #c9a84c; }
.sin-huecos { color: #8a7a6a; padding: 20px; text-align: center; background: rgba(255,255,255,0.03); border-radius: 8px; border: 1px dashed rgba(201, 168, 76, 0.1); }

/* ===== MENSAJES ===== */
.mensaje { padding: 15px 20px; border-radius: 8px; margin: 15px 0; display: none; font-weight: 500; }
.mensaje.exito { display: block; background: rgba(42, 122, 74, 0.2); color: #7ac99a; border: 1px solid rgba(42, 122, 74, 0.3); }
.mensaje.error { display: block; background: rgba(139, 42, 42, 0.2); color: #d97a7a; border: 1px solid rgba(139, 42, 42, 0.3); }
.mensaje.info { display: block; background: rgba(201, 168, 76, 0.1); color: #d5b87a; border: 1px solid rgba(201, 168, 76, 0.2); }

/* ===== CITAS ===== */
.cita-item { background: rgba(255,255,255,0.03); border-left: 4px solid #c9a84c; padding: 15px 20px; margin: 10px 0; border-radius: 6px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.cita-item .info { flex: 1; min-width: 200px; }
.cita-item .info .fecha-hora { color: #f0d5a8; font-weight: 600; font-size: 1.1rem; }
.cita-item .info .servicio { color: #c9a84c; font-size: 0.9rem; }
.cita-item .info .cliente { color: #8a7a6a; font-size: 0.85rem; }
.cita-item .info .barbero-info { color: #d5b87a; font-size: 0.85rem; }
.cita-item .estado { padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; }
.estado-confirmada { background: rgba(42, 122, 74, 0.3); color: #7ac99a; }
.estado-pendiente { background: rgba(201, 168, 76, 0.2); color: #d5b87a; }
.estado-realizada { background: rgba(107, 114, 128, 0.3); color: #9ca3af; }
.estado-expirada { background: rgba(139, 42, 42, 0.3); color: #d97a7a; }
.cita-item .acciones { display: flex; gap: 6px; flex-wrap: wrap; }
.cita-item .acciones button { padding: 5px 12px; font-size: 0.75rem; border-radius: 4px; border: none; cursor: pointer; transition: 0.3s; font-weight: 600; }
.cita-item .acciones .btn-confirmar { background: #2a7a4a; color: #f0d5a8; }
.cita-item .acciones .btn-confirmar:hover { background: #349a5a; }
.cita-item .acciones .btn-rechazar { background: #8b2a2a; color: #f0d5a8; }
.cita-item .acciones .btn-rechazar:hover { background: #a03030; }
.cita-item .acciones .btn-cancelar { background: rgba(139, 42, 42, 0.3); color: #d97a7a; }
.cita-item .acciones .btn-modificar { background: rgba(201, 168, 76, 0.2); color: #d5b87a; }
.cita-item .acciones .btn-modificar:hover { background: rgba(201, 168, 76, 0.3); }
.alerta-cierre { color: #d97a7a; font-size: 0.75rem; margin-left: 8px; }

/* ===== LOGIN ===== */
.login-box { max-width: 400px; margin: 40px auto; background: rgba(255,255,255,0.03); padding: 30px; border-radius: 12px; border: 1px solid rgba(201, 168, 76, 0.15); text-align: center; }
.login-box h3 { color: #f0d5a8; margin-bottom: 20px; }
.login-box input { text-align: center; margin-bottom: 15px; }

/* ===== PRODUCTOS ===== */
.productos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; margin-top: 20px; }
.producto-card { background: rgba(255,255,255,0.05); border-radius: 10px; padding: 15px; border: 1px solid rgba(201, 168, 76, 0.1); transition: 0.3s; }
.producto-card:hover { transform: translateY(-5px); border-color: #c9a84c; }
.producto-card img { width: 100%; height: 150px; object-fit: cover; border-radius: 8px; margin-bottom: 10px; display: block; background: #2c1a12; }
.producto-card .nombre { color: #f0d5a8; font-weight: 600; font-size: 1.1rem; }
.producto-card .descripcion { color: #8a7a6a; font-size: 0.9rem; margin: 5px 0; }
.producto-card .precio { color: #c9a84c; font-weight: 700; font-size: 1.2rem; margin-top: 8px; }

/* ===== ESTILOS ===== */
.estilos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 15px; margin-top: 20px; }
.estilo-card { background: rgba(255,255,255,0.03); border-radius: 10px; overflow: hidden; border: 1px solid rgba(201, 168, 76, 0.1); transition: 0.3s; }
.estilo-card:hover { transform: scale(1.02); border-color: #c9a84c; }
.estilo-card img { width: 100%; height: 150px; object-fit: cover; display: block; background: #2c1a12; }
.estilo-card .nombre { color: #f0d5a8; text-align: center; padding: 8px; font-weight: 600; font-size: 0.9rem; }

/* ===== DIAS CHECKBOX ===== */
.dias-container { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 5px; }
.dias-container label { display: flex; align-items: center; gap: 5px; margin: 0; cursor: pointer; font-weight: 400; color: #f0d5a8; }
.dias-container input[type="checkbox"] { width: auto; margin: 0; }

/* ===== FILTROS ===== */
.filtros-container { display: flex; gap: 15px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 15px; }
.filtros-container > div { flex: 1; min-width: 200px; }

/* ===== NOTA INFO ===== */
.info-nota { background: rgba(201, 168, 76, 0.1); padding: 10px; border-radius: 6px; margin: 15px 0; font-size: 0.9rem; color: #d5b87a; }
.info-nota code { background: rgba(0,0,0,0.3); padding: 2px 6px; border-radius: 4px; color: #c9a84c; }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .header h1 { font-size: 1.8rem; }
    .productos-grid { grid-template-columns: repeat(3, 1fr); }
    .estilos-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    body { padding: 10px; }
    .header { flex-direction: column; text-align: center; padding: 15px 20px; }
    .header h1 { font-size: 1.6rem; }
    .header-actions { width: 100%; justify-content: center; }
    .tabs button { padding: 10px 14px; font-size: 0.85rem; }
    .panel { padding: 20px 15px; }
    .row { flex-direction: column; }
    .cita-item { flex-direction: column; align-items: stretch; }
    .cita-item .acciones { justify-content: center; }
    .productos-grid { grid-template-columns: repeat(2, 1fr); }
    .estilos-grid { grid-template-columns: repeat(2, 1fr); }
    .filtros-container { flex-direction: column; }
}
@media (max-width: 480px) {
    .header h1 { font-size: 1.3rem; }
    .header .slogan { font-size: 0.7rem; letter-spacing: 2px; }
    .tabs button { padding: 8px 10px; font-size: 0.75rem; }
    .panel { padding: 15px 10px; }
    .productos-grid { grid-template-columns: 1fr; }
    .estilos-grid { grid-template-columns: 1fr 1fr; }
    .huecos-grid button { padding: 6px 12px; font-size: 0.8rem; min-width: 60px; }
    .btn { padding: 10px 20px; font-size: 0.9rem; }
}