/* =============================================
   ISP Manager - Estilos principales
   ============================================= */

:root {
    --primary:        #2563eb;
    --primary-hover:  #1d4ed8;
    --primary-light:  #eff6ff;
    --secondary:      #64748b;
    --success:        #16a34a;
    --success-light:  #f0fdf4;
    --warning:        #d97706;
    --warning-light:  #fffbeb;
    --danger:         #dc2626;
    --danger-light:   #fef2f2;
    --info:           #0891b2;
    --info-light:     #ecfeff;

    --bg:             #f1f5f9;
    --surface:        #ffffff;
    --border:         #e2e8f0;
    --border-dark:    #cbd5e1;

    --text:           #0f172a;
    --text-secondary: #64748b;
    --text-muted:     #94a3b8;

    --sidebar-w:      240px;
    --topbar-h:       56px;
    --radius:         8px;
    --radius-lg:      12px;
    --shadow:         0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:      0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
    --transition:     0.2s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }

/* ==================== SIDEBAR ==================== */
.sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; width: var(--sidebar-w);
    background: #1e293b; color: #e2e8f0; display: flex; flex-direction: column;
    z-index: 100; transition: transform var(--transition);
}
.sidebar-brand {
    display: flex; align-items: center; gap: 10px; padding: 18px 20px;
    font-size: 16px; font-weight: 700; color: #fff; border-bottom: 1px solid #334155;
}
.sidebar-brand i { color: var(--primary); font-size: 20px; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-section-label {
    font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
    color: #64748b; padding: 12px 20px 4px;
}
.nav-item {
    display: flex; align-items: center; gap: 10px; padding: 10px 20px;
    color: #94a3b8; font-size: 14px; transition: background var(--transition), color var(--transition);
    border-left: 3px solid transparent;
}
.nav-item:hover { background: #334155; color: #f1f5f9; text-decoration: none; }
.nav-item.active { background: #1e3a5f; color: #fff; border-left-color: var(--primary); }
.nav-item i { width: 18px; text-align: center; }
.logout-item:hover { background: #450a0a; color: #fca5a5; }
.sidebar-footer { padding: 14px 20px; border-top: 1px solid #334155; }
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar { font-size: 28px; color: #64748b; }
.user-name { display: block; font-size: 13px; font-weight: 600; color: #e2e8f0; }
.user-role { display: block; font-size: 11px; color: #64748b; }

/* ==================== MAIN LAYOUT ==================== */
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
    position: sticky; top: 0; z-index: 50; height: var(--topbar-h);
    background: var(--surface); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
    box-shadow: var(--shadow);
}
.sidebar-toggle {
    display: none; background: none; border: none; font-size: 18px; color: var(--text-secondary); padding: 6px;
}
.topbar-date { font-size: 13px; color: var(--text-muted); }
.main-content { flex: 1; padding: 24px; max-width: 1400px; width: 100%; }

/* ==================== PAGE HEADER ==================== */
.page-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 20px; gap: 16px; flex-wrap: wrap;
}
.page-header-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.page-title { font-size: 22px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.page-title i { color: var(--primary); }
.action-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ==================== CARDS ==================== */
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); overflow: hidden;
}
.card-header {
    padding: 14px 20px; font-weight: 600; font-size: 14px;
    border-bottom: 1px solid var(--border); background: #f8fafc;
    display: flex; align-items: center; gap: 8px; color: var(--text-secondary);
}
.card-header i { color: var(--primary); }
.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; border-top: 1px solid var(--border); font-size: 13px; background: #f8fafc; }
.mb-3 { margin-bottom: 16px; }
.mt-3 { margin-top: 16px; }

/* ==================== FORMS ==================== */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-label.required::after { content: ' *'; color: var(--danger); }
.form-control {
    width: 100%; padding: 8px 12px; border: 1px solid var(--border-dark); border-radius: var(--radius);
    font-size: 14px; color: var(--text); background: var(--surface);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.form-control.is-invalid { border-color: var(--danger); }
.form-error { display: block; font-size: 12px; color: var(--danger); margin-top: 4px; }
textarea.form-control { resize: vertical; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M6 8L0 0h12z' fill='%2364748b'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

/* Grids de formulario */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* Input group */
.input-group { display: flex; }
.input-group .form-control { border-radius: 0; flex: 1; }
.input-group .form-control:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.input-group .form-control:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.input-addon, .input-addon-left, .input-addon-right {
    display: flex; align-items: center; justify-content: center; padding: 0 12px;
    background: #f1f5f9; border: 1px solid var(--border-dark); font-size: 13px; color: var(--text-secondary);
    white-space: nowrap;
}
.input-addon { border-left: none; border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; }
.input-addon:hover { background: var(--border); }
.input-addon-left { border-right: none; border-radius: var(--radius) 0 0 var(--radius); }
.input-addon-right { border-left: none; border-radius: 0 var(--radius) var(--radius) 0; }

/* Checkbox */
.checkbox-group { display: flex; align-items: center; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.checkbox-label input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--primary); }

/* Form actions */
.form-actions { display: flex; justify-content: flex-end; gap: 10px; padding-top: 8px; }

/* Selector de tipo (servicios) */
.tipo-selector { display: flex; gap: 10px; }
.tipo-option {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 14px 10px; border: 2px solid var(--border); border-radius: var(--radius-lg);
    cursor: pointer; transition: all var(--transition); gap: 4px;
}
.tipo-option input { display: none; }
.tipo-option:hover { border-color: var(--primary-hover); background: var(--primary-light); }
.tipo-option.selected { border-color: var(--primary); background: var(--primary-light); }
.tipo-icon { font-size: 20px; }
.tipo-label { font-weight: 600; font-size: 14px; }
.tipo-desc { font-size: 11px; color: var(--text-muted); }

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px;
    border: 1px solid transparent; border-radius: var(--radius); font-size: 14px; font-weight: 500;
    transition: all var(--transition); cursor: pointer; text-decoration: none !important;
    white-space: nowrap;
}
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-secondary:hover { opacity: .9; }
.btn-outline { background: transparent; color: var(--text-secondary); border-color: var(--border-dark); }
.btn-outline:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-icon, .btn-icon-sm {
    display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px;
    border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
    color: var(--text-secondary); font-size: 13px; transition: all var(--transition);
    text-decoration: none !important;
}
.btn-icon:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.btn-icon-danger { color: var(--danger); border-color: #fecaca; background: #fff5f5; }
.btn-icon-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-icon-sm { width: 24px; height: 24px; font-size: 12px; border: none; }
.action-btns { display: flex; gap: 4px; justify-content: center; }

/* ==================== TABLE ==================== */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { padding: 11px 16px; text-align: left; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); background: #f8fafc; border-bottom: 2px solid var(--border); white-space: nowrap; }
.table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #f8fafc; }
.table .text-right { text-align: right; }
.table .text-center { text-align: center; }
.row-inactive td { opacity: .55; }

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px;
    border-radius: 20px; font-size: 11px; font-weight: 600;
}
.badge-lg { font-size: 13px; padding: 5px 12px; }
.badge-pill { border-radius: 20px; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-secondary { background: #f1f5f9; color: var(--text-secondary); }

/* ==================== ALERTS ==================== */
.alert {
    display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px;
    border-radius: var(--radius); margin-bottom: 16px; font-size: 14px;
    border: 1px solid transparent;
}
.alert-success { background: var(--success-light); color: var(--success); border-color: #bbf7d0; }
.alert-danger { background: var(--danger-light); color: var(--danger); border-color: #fecaca; }
.alert-warning { background: var(--warning-light); color: var(--warning); border-color: #fde68a; }
.alert-close { margin-left: auto; background: none; border: none; color: inherit; opacity: .6; font-size: 16px; padding: 0 4px; cursor: pointer; }
.alert-close:hover { opacity: 1; }

/* ==================== FILTER FORM ==================== */
.filter-form .filter-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-group { min-width: 160px; }
.filter-group.flex-grow { flex: 1; min-width: 240px; }
.filter-form .input-group .form-control { border-radius: 0 var(--radius) var(--radius) 0; }

/* ==================== DETAIL VIEW ==================== */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-list { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; align-items: baseline; }
.detail-list dt { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; }
.detail-list dd { color: var(--text); }
.password-field { display: inline-flex; align-items: center; gap: 6px; }
.pwd-dots { font-family: monospace; letter-spacing: 2px; }

/* Equipo section */
.equipo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.equipo-section { background: var(--bg); border-radius: var(--radius); padding: 14px; }
.equipo-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }

/* ==================== CHIPS ==================== */
.stat-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.chip-success { background: var(--success-light); color: var(--success); }
.chip-warning { background: var(--warning-light); color: var(--warning); }
.chip-danger { background: var(--danger-light); color: var(--danger); }

/* ==================== TOGGLE SWITCH ==================== */
.toggle-btn {
    width: 42px; height: 22px; background: var(--border-dark); border: none; border-radius: 11px;
    position: relative; cursor: pointer; transition: background var(--transition);
}
.toggle-btn.toggle-on { background: var(--success); }
.toggle-indicator {
    position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
    background: #fff; border-radius: 50%; transition: transform var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle-on .toggle-indicator { transform: translateX(20px); }

/* ==================== DROPDOWN ==================== */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; right: 0; top: calc(100% + 4px); background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md);
    min-width: 180px; z-index: 200; display: none;
}
.dropdown-menu.show { display: block; }
.dropdown-item {
    display: block; width: 100%; padding: 9px 14px; font-size: 14px; text-align: left;
    background: none; border: none; color: var(--text); cursor: pointer;
    transition: background var(--transition);
}
.dropdown-item:hover { background: var(--bg); }

/* ==================== LOGIN ==================== */
.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); }
.login-wrapper { width: 100%; max-width: 420px; padding: 20px; }
.login-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,.3); padding: 40px 36px; }
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo { font-size: 48px; color: var(--primary); margin-bottom: 12px; }
.login-header h1 { font-size: 22px; font-weight: 700; color: var(--text); }
.login-header p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-form .btn-primary { margin-top: 8px; }
.login-footer { text-align: center; margin-top: 20px; color: var(--text-muted); font-size: 12px; }

/* ==================== UTILITIES ==================== */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-danger { color: var(--danger) !important; }
.text-success { color: var(--success) !important; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-semibold { font-weight: 600; }
.d-block { display: block; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-grow { flex: 1; }
.py-4 { padding-top: 24px; padding-bottom: 24px; }
.py-3 { padding-top: 16px; padding-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mb-2 { margin-bottom: 8px; }
.link-primary { color: var(--primary); font-weight: 600; }
.link-primary:hover { color: var(--primary-hover); }

/* ==================== PROGRESS BAR ==================== */
.progress-bar-wrap {
    flex: 1; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; min-width: 60px;
}
.progress-bar-fill {
    height: 100%; background: var(--primary); border-radius: 4px;
    transition: width 0.4s ease;
}
.chip-secondary { background: #f1f5f9; color: var(--text-secondary); }
.badge-info { background: var(--info-light); color: var(--info); }

/* ==================== FILE INPUT ==================== */
input[type="file"].form-control {
    padding: 6px 10px;
    cursor: pointer;
    line-height: 1.8;
}
input[type="file"].form-control::-webkit-file-upload-button {
    padding: 4px 12px; margin-right: 10px;
    border: 1px solid var(--border-dark); border-radius: var(--radius);
    background: #f1f5f9; color: var(--text-secondary);
    cursor: pointer; font-size: 13px; font-family: inherit;
    transition: background var(--transition);
}
input[type="file"].form-control::-webkit-file-upload-button:hover {
    background: var(--border);
}
.archivo-actual {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding: 10px 14px; margin-bottom: 8px;
    background: var(--success-light); border: 1px solid #bbf7d0;
    border-radius: var(--radius); color: var(--success);
}
.archivo-actual i.fa-file-zipper { font-size: 18px; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
    .detail-grid { grid-template-columns: 1fr; }
    .equipo-grid { grid-template-columns: 1fr; }
    .form-grid-4 { grid-template-columns: 1fr 1fr; }
    .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    :root { --sidebar-w: 0px; }
    .sidebar { transform: translateX(-240px); width: 240px; }
    .sidebar.open { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .sidebar-toggle { display: flex; }
    .form-grid-2, .form-grid-3, .form-grid-4 { grid-template-columns: 1fr; }
    .main-content { padding: 16px; }
    .page-header { flex-direction: column; }
}