/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: #f1f5f9; color: #1e293b; }

/* ===== LOGIN ===== */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: #fff; padding: 2.5rem; border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,.1); width: 380px; }
.login-card h1 { text-align: center; margin-bottom: 1.5rem; font-size: 1.4rem; }
.login-card label { display: block; margin: .8rem 0 .3rem; font-size: .85rem; font-weight: 600; color: #475569; }
.login-card input { width: 100%; padding: .65rem .9rem; border: 1px solid #cbd5e1; border-radius: 8px; font-size: .95rem; }
.login-card button { width: 100%; margin-top: 1.5rem; padding: .75rem; background: #3b82f6; color: #fff; border: none; border-radius: 8px; font-size: 1rem; cursor: pointer; }
.login-card button:hover { background: #2563eb; }

/* ===== NAVBAR ===== */
.navbar { background: #1e293b; color: #fff; padding: .9rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.nav-brand { font-weight: 700; font-size: 1.1rem; }
.nav-links { display: flex; gap: 1.2rem; align-items: center; font-size: .9rem; }
.nav-links a { color: #94a3b8; text-decoration: none; }
.nav-links a:hover { color: #fff; }

/* ===== CONTAINER ===== */
.container { max-width: 1300px; margin: 2rem auto; padding: 0 1.5rem; }
.page-header { margin-bottom: 1.5rem; }
.page-header h2 { font-size: 1.5rem; color: #0f172a; }

/* ===== FILTROS ===== */
.filter-form { display: flex; gap: .8rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.filter-form input, .filter-form select { padding: .6rem .9rem; border: 1px solid #cbd5e1; border-radius: 8px; font-size: .9rem; }
.filter-form input { flex: 1; min-width: 200px; }
.filter-form button { padding: .6rem 1.2rem; background: #3b82f6; color: #fff; border: none; border-radius: 8px; cursor: pointer; }
.filter-form button:hover { background: #2563eb; }
.btn-secondary { padding: .6rem 1.2rem; background: #e2e8f0; color: #475569; border-radius: 8px; text-decoration: none; font-size: .9rem; }

/* ===== TABLA ===== */
.table-wrapper { background: #fff; border-radius: 12px; box-shadow: 0 1px 8px rgba(0,0,0,.07); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead { background: #f8fafc; }
th { padding: .85rem 1rem; text-align: left; font-size: .8rem; font-weight: 700; color: #64748b; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid #e2e8f0; }
td { padding: .8rem 1rem; font-size: .88rem; border-bottom: 1px solid #f1f5f9; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }
.titulo-cell { font-size: .82rem; color: #475569; max-width: 260px; }
.center { text-align: center; }
.empty { text-align: center; padding: 2rem; color: #94a3b8; }

/* ===== BADGES ===== */
.badge { display: inline-block; padding: .25rem .7rem; border-radius: 20px; font-size: .75rem; font-weight: 600; color: #fff; white-space: nowrap; }
.badge-lg { display: inline-block; padding: .4rem 1.1rem; border-radius: 20px; font-size: .9rem; font-weight: 700; background: #3b82f6; color: #fff; }
.btn-view { padding: .4rem .9rem; background: #eff6ff; color: #3b82f6; border-radius: 6px; text-decoration: none; font-size: .83rem; font-weight: 600; }
.btn-view:hover { background: #dbeafe; }

/* ===== PROCESO HEADER ===== */
.proceso-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.proceso-header h2 { font-size: 1.35rem; }

/* ===== INFO GRID ===== */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .6rem 1.5rem; background: #fff; padding: 1.2rem 1.5rem; border-radius: 12px; box-shadow: 0 1px 8px rgba(0,0,0,.06); margin-bottom: 1.8rem; }
.info-item { font-size: .88rem; color: #475569; }
.info-item strong { color: #0f172a; }

/* ===== HILO ===== */
.hilo-section { background: #fff; border-radius: 12px; box-shadow: 0 1px 8px rgba(0,0,0,.06); padding: 1.5rem; }
.hilo-section h3 { margin-bottom: 1.2rem; font-size: 1.1rem; }
.hilo { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.hilo-empty { color: #94a3b8; font-size: .9rem; padding: 1rem 0; }

.hilo-item { display: flex; gap: 1rem; align-items: flex-start; }
.hilo-avatar { font-size: 1.5rem; flex-shrink: 0; }

.hilo-content { flex: 1; border: 1px solid #e2e8f0; border-radius: 10px; padding: .9rem 1.1rem; }
.hilo-item.sheets .hilo-content { background: #f0fdf4; border-color: #bbf7d0; }
.hilo-item.plataforma .hilo-content { background: #eff6ff; border-color: #bfdbfe; }

.hilo-meta { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; margin-bottom: .4rem; }
.hilo-meta strong { font-size: .9rem; color: #0f172a; }
.hilo-fecha { font-size: .8rem; color: #64748b; }
.hilo-origen { font-size: .72rem; background: #e2e8f0; color: #475569; padding: .1rem .5rem; border-radius: 12px; }

.hilo-cambio { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .3rem; }
.estado-de { font-size: .82rem; background: #fee2e2; color: #991b1b; padding: .2rem .7rem; border-radius: 6px; }
.flecha { color: #64748b; font-weight: bold; }
.estado-a { font-size: .82rem; background: #dcfce7; color: #166534; padding: .2rem .7rem; border-radius: 6px; font-weight: 600; }
.hilo-comentario { font-size: .85rem; color: #475569; margin-top: .4rem; font-style: italic; }

/* ===== FORMULARIO CAMBIO ===== */
.cambio-form { border-top: 1px solid #e2e8f0; padding-top: 1.5rem; }
.cambio-form h4 { margin-bottom: 1rem; font-size: 1rem; color: #0f172a; }
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .3rem; flex: 1; min-width: 200px; }
.form-group.flex-2 { flex: 2; }
.form-group label { font-size: .82rem; font-weight: 600; color: #475569; }
.form-group select, .form-group input[type=text] { padding: .6rem .9rem; border: 1px solid #cbd5e1; border-radius: 8px; font-size: .9rem; }
.btn-primary { padding: .7rem 1.8rem; background: #3b82f6; color: #fff; border: none; border-radius: 8px; font-size: .95rem; font-weight: 600; cursor: pointer; }
.btn-primary:hover { background: #2563eb; }

/* ===== ALERT ===== */
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .9rem; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }