:root{--bg:#eef4ff;--card:#fff;--text:#0f172a;--muted:#64748b;--line:#dbe5f2;--blue:#2563eb;--cyan:#0ea5e9;--green:#16a34a;--red:#dc2626;--orange:#f59e0b;--shadow:0 18px 45px rgba(15,23,42,.08);--radius:22px}*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:linear-gradient(135deg,#eef5ff,#f8fafc);color:var(--text)}button,.btn{border:0;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;padding:11px 16px;text-decoration:none;font-weight:800;font-family:inherit;cursor:pointer;display:inline-flex;gap:8px;align-items:center;justify-content:center}.light,.ghost{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.red{background:var(--red)}.orange{background:var(--orange)}.topbar{position:sticky;top:0;z-index:30;margin:14px auto 0;max-width:1360px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:0 0 28px 28px;padding:18px 24px;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:14px;align-items:center}.brand h1{margin:0;font-size:26px}.brand p{margin:6px 0 0;color:var(--muted)}.brand-icon{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-size:28px;font-weight:900}.brand-icon.big{margin:auto}.sidebar{position:fixed;right:24px;top:130px;width:245px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow)}.sidebar a{display:block;padding:14px;border-radius:16px;text-decoration:none;color:#26344d;font-weight:800;margin-bottom:8px}.sidebar a:hover{background:#eff6ff;color:#1d4ed8}.content{max-width:1360px;margin:20px auto;padding:0 290px 40px 20px}.auth-content{max-width:520px;margin:45px auto}.card,.hero,.page-head,.login-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px}.hero,.page-head,.section-head{display:flex;justify-content:space-between;align-items:center;gap:14px}.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:18px}.stat{background:white;border:1px solid var(--line);border-radius:20px;padding:18px}.stat span{color:var(--muted);font-weight:700}.stat b{font-size:34px;display:block;margin:8px 0}.green{border-color:#bbf7d0}.blue{border-color:#bfdbfe}.orange{border-color:#fde68a}.red{border-color:#fecaca}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.form-inline{display:flex;gap:12px;flex-wrap:wrap}.span-2{grid-column:span 2}.span-3{grid-column:span 3}label{font-weight:800}input,select,textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--line);border-radius:14px;padding:12px;font-family:inherit;background:#fff}textarea{min-height:100px}.actions{display:flex;gap:10px;flex-wrap:wrap}.full{width:100%;margin-top:12px}.center{text-align:center}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc}.empty{text-align:center;color:var(--muted)}.ltr{direction:ltr;text-align:left}.mono{font-family:Consolas,monospace}.pill{display:inline-flex;border-radius:99px;padding:7px 11px;background:#e0e7ff;color:#1e40af;font-size:12px;font-weight:900}.pill.sent,.pill.ready,.pill.active{background:#dcfce7;color:#166534}.pill.failed,.pill.revoked,.pill.inactive{background:#fee2e2;color:#991b1b}.pill.pending{background:#fef9c3;color:#854d0e}.pill.sending{background:#dbeafe;color:#1d4ed8}.pill.sent_unconfirmed{background:#ffedd5;color:#9a3412}.sessions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.session-card{background:white;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:18px}.session-title{display:flex;justify-content:space-between;gap:12px}.session-meta{display:grid;gap:8px;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:12px;margin:12px 0}.qr-box{min-height:230px;border:1px dashed #bfd0e8;border-radius:18px;display:grid;place-items:center;background:#f8fafc;text-align:center;margin-top:14px}.qr-box img{max-width:260px;background:#fff;padding:8px;border-radius:12px}.qr-timer{margin-top:10px;font-weight:900;color:#1d4ed8}.key-box pre,.result,pre{background:#0f172a;color:#dbeafe;border-radius:14px;padding:14px;white-space:pre-wrap;direction:ltr;text-align:left}.hidden{display:none}.alert{padding:13px 18px;border-radius:16px;margin-bottom:14px;font-weight:800}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}#toastRoot{position:fixed;left:20px;bottom:20px;z-index:9999;display:grid;gap:10px}.toast{background:#0f172a;color:#fff;padding:14px 16px;border-radius:14px;box-shadow:var(--shadow);max-width:360px}.toast.ok{background:#166534}.toast.bad{background:#991b1b}@media(max-width:1100px){.sidebar{position:static;width:auto;margin:14px}.content{padding:0 14px}.stats-grid,.sessions-grid,.form-grid{grid-template-columns:1fr}.span-2,.span-3{grid-column:auto}.topbar{margin:0;border-radius:0;flex-direction:column;align-items:flex-start}.hero,.page-head{flex-direction:column;align-items:flex-start}}

/* Subscription, quota and secure API key controls */
.dashboard-stats{grid-template-columns:repeat(6,1fr)}
.form-section-title{margin-top:8px;padding:16px;border-radius:18px;background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid #dbeafe}
.form-section-title h3{margin:0 0 5px}.form-section-title p{margin:0;color:var(--muted)}
.field-help{display:block;margin-top:7px;color:var(--muted);font-weight:600}
.readonly-input{background:#f1f5f9;color:#475569;cursor:not-allowed}
.subscription-preview{padding:14px 16px;border:1px solid #bfdbfe;border-radius:16px;background:#eff6ff;color:#1e3a8a;font-weight:700}
.subscription-preview.invalid{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.metric-cell{min-width:285px}.metric-head,.metric-foot,.usage-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.metric-foot{margin-top:8px;color:var(--muted);font-size:12px}.small-line{margin:7px 0;color:var(--muted);font-size:12px}.muted{color:var(--muted);margin-top:4px}.text-danger{color:#b91c1c}
.progress-track{height:9px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-top:10px}.progress-fill{display:block;height:100%;border-radius:999px;transition:width .3s ease}.progress-fill.success{background:#16a34a}.progress-fill.warning{background:#f59e0b}.progress-fill.danger{background:#dc2626}
.pill.expired,.pill.danger{background:#fee2e2;color:#991b1b}.pill.pending{background:#fef3c7;color:#92400e}
.usage-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.usage-card{border:1px solid var(--line);border-radius:18px;padding:16px;background:#fff}.usage-row{margin-top:12px;color:#475569}
.secret-control{display:flex;align-items:center;gap:7px;min-width:520px}.secret-input{margin:0;min-width:300px;font-family:Consolas,monospace;background:#f8fafc}.compact{padding:9px 12px;white-space:nowrap}
.clients-table td{vertical-align:middle}
@media(max-width:1250px){.dashboard-stats{grid-template-columns:repeat(3,1fr)}.usage-cards{grid-template-columns:1fr}.secret-control{min-width:420px}}
@media(max-width:700px){.dashboard-stats{grid-template-columns:1fr}.secret-control{min-width:320px;flex-wrap:wrap}.secret-input{min-width:100%}}

/* Backup center */
.backup-stats{grid-template-columns:repeat(4,1fr)}
.backup-stat-text{font-size:18px!important;line-height:1.5}
.backup-location{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.backup-location code{background:#0f172a;color:#dbeafe;padding:8px 11px;border-radius:10px}
.dependency-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.dependency-item{border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;justify-content:space-between;gap:12px}.dependency-item.ok{background:#f0fdf4;border-color:#bbf7d0}.dependency-item.bad{background:#fef2f2;border-color:#fecaca}.backup-file-name{max-width:260px;word-break:break-all}.checksum-cell{max-width:170px}.pill.completed{background:#dcfce7;color:#166534}.pill.running{background:#dbeafe;color:#1d4ed8}.pill.deleted{background:#e2e8f0;color:#475569}
@media(max-width:900px){.backup-stats,.dependency-grid{grid-template-columns:1fr}}

/* Queue Worker operations center */
.queue-page-head{align-items:flex-start}.queue-head-actions{display:flex;gap:10px;flex-wrap:wrap}
.worker-status-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}
.worker-status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:8px;min-height:130px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.worker-status-card span{color:#64748b;font-size:13px}.worker-status-card strong{font-size:22px;color:#0f172a}.worker-status-card small{color:#64748b;word-break:break-all}
.worker-status-card.status-running{border-color:#86efac;background:#f0fdf4}.worker-status-card.status-paused{border-color:#fde68a;background:#fffbeb}.worker-status-card.status-degraded,.worker-status-card.status-stale{border-color:#fdba74;background:#fff7ed}.worker-status-card.status-offline{border-color:#fecaca;background:#fef2f2}
.queue-metrics-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-bottom:16px}.queue-metrics-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}.queue-metrics-grid span{display:block;color:#64748b;font-size:13px;margin-bottom:7px}.queue-metrics-grid strong{font-size:23px;color:#0f172a}
.queue-control-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.75fr);gap:16px;margin-bottom:16px}.queue-control-layout .card{margin:0}.section-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.section-title-row h3{margin:0 0 5px}.section-title-row p{margin:0;color:#64748b}
.queue-control-form small{display:block;color:#64748b;margin-top:6px}.queue-operation-buttons{display:grid;gap:10px}.queue-operation-buttons button{width:100%;justify-content:center}.queue-safety-note{margin-top:14px;border:1px solid #bfdbfe;background:#eff6ff;border-radius:14px;padding:13px;line-height:1.8;color:#1e3a8a}
.worker-last-error{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.worker-last-error small{margin-inline-start:auto}.danger-outline{background:#fff!important;color:#b91c1c!important;border:1px solid #fecaca!important}.table-actions{display:flex;gap:6px;flex-wrap:wrap}.table-sub{display:block;color:#64748b;margin-top:4px;max-width:190px;word-break:break-all}.reason-cell{max-width:260px;white-space:normal}.worker-log-table pre{max-width:520px;white-space:pre-wrap;word-break:break-word;direction:ltr;text-align:left}.worker-log-table details summary{cursor:pointer;color:#2563eb}.pill.worker-level-debug{background:#e2e8f0;color:#334155}.pill.worker-level-info{background:#dbeafe;color:#1d4ed8}.pill.worker-level-warning{background:#fef3c7;color:#92400e}.pill.worker-level-error,.pill.worker-level-critical{background:#fee2e2;color:#b91c1c}.message-detail-metrics{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1250px){.worker-status-grid{grid-template-columns:repeat(2,1fr)}.queue-metrics-grid{grid-template-columns:repeat(3,1fr)}.queue-control-layout{grid-template-columns:1fr}}
@media(max-width:700px){.worker-status-grid,.queue-metrics-grid,.message-detail-metrics{grid-template-columns:1fr}.queue-head-actions{width:100%}.queue-head-actions button{flex:1}.queue-control-form{grid-template-columns:1fr}.queue-control-form .span-3{grid-column:auto}}

/* V2.2.1 UI action reliability */
.global-js-warning{position:fixed;z-index:99999;top:12px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 24px));box-shadow:0 12px 35px rgba(15,23,42,.18)}

/* V2.2.2 - حذف العميل النهائي */
.delete-page-head{border-color:#fecaca}.delete-page-head h2{color:#991b1b}.delete-summary-card{border-color:#fecaca}.delete-client-title{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap}.delete-client-title h3{font-size:28px;margin:10px 0 4px}.delete-client-title p{margin:0;color:var(--muted)}.delete-subscription-box{background:#fff7ed;border:1px solid #fed7aa;border-radius:16px;padding:14px;display:grid;gap:6px;min-width:300px}.delete-subscription-box span,.delete-subscription-box small{color:#9a3412}.delete-count-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}.delete-count-grid article{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:14px}.delete-count-grid span{display:block;color:var(--muted);font-weight:800}.delete-count-grid strong{display:block;font-size:28px;margin-top:7px}.permanent-delete-card{border:2px solid #fecaca}.permanent-warning{background:#fee2e2;color:#991b1b;border-radius:16px;padding:16px;margin-bottom:18px}.permanent-warning strong{font-size:18px}.permanent-warning p{margin:7px 0 0}.delete-confirm-form{display:grid;gap:15px}.checkbox-line{display:flex;align-items:flex-start;gap:10px;background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:13px}.checkbox-line input{width:auto;margin:2px 0 0}.checkbox-line span{font-weight:800}.force-delete-line{background:#fff7ed;border-color:#fed7aa;color:#9a3412}.final-confirm-line{background:#fef2f2;border-color:#fecaca;color:#991b1b}.deletion-error-card{border:2px solid #f59e0b}.deletion-error-card h3{color:#9a3412}.deletion-failures{display:grid;gap:10px;padding:0;list-style:none}.deletion-failures li{display:grid;gap:5px;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:12px}.deletion-failures small{color:#9a3412}.global-js-warning{margin:12px}.alert.bad{background:#fee2e2;color:#991b1b}
@media(max-width:900px){.delete-count-grid{grid-template-columns:1fr}.delete-subscription-box{min-width:0;width:100%}}

/* V2.4 - session stability guard */
.danger-soft{border-color:#fecaca;background:linear-gradient(135deg,#fff7f7,#ffffff)}
.session-card .text-danger{display:block;line-height:1.7}
.pill.authenticating,.pill.initializing,.pill.qr_ready,.pill.qr_required{background:#fef3c7;color:#92400e}
.pill.ready,.pill.healthy{background:#dcfce7;color:#166534}
.pill.unstable,.pill.failed,.pill.disconnected,.pill.logged_out{background:#fee2e2;color:#991b1b}