:root{
      --primary:#0f766e; --primary-2:#14b8a6; --primary-soft:#ccfbf1;
      --navy:#0f172a; --slate:#475569; --muted:#94a3b8; --line:#e2e8f0;
      --bg:#f8fafc; --card:#ffffff; --danger:#dc2626; --danger-soft:#fee2e2;
      --warning:#d97706; --warning-soft:#fef3c7; --success:#16a34a; --success-soft:#dcfce7;
      --info:#2563eb; --info-soft:#dbeafe; --violet:#7c3aed; --violet-soft:#ede9fe;
      --shadow:0 10px 30px rgba(15,23,42,.08); --radius:18px;
    }
    *{box-sizing:border-box}
    body{margin:0;font-family:"Segoe UI",Tahoma,Arial,sans-serif;background:var(--bg);color:var(--navy);min-height:100vh}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .hidden{display:none!important}
    .muted{color:var(--slate)}
    .small{font-size:.86rem}
    .danger-text{color:var(--danger)}
    .success-text{color:var(--success)}
    .nowrap{white-space:nowrap}

    /* Login */
    .login-view{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;background:linear-gradient(135deg,#f0fdfa,#eff6ff)}
    .login-brand{position:relative;overflow:hidden;padding:70px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,#0f766e,#0f172a);color:#fff}
    .login-brand::before,.login-brand::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
    .login-brand::before{width:420px;height:420px;left:-160px;top:-120px}
    .login-brand::after{width:290px;height:290px;right:-100px;bottom:-100px}
    .brand-mark{width:76px;height:76px;border-radius:24px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-size:38px;margin-bottom:24px;backdrop-filter:blur(8px)}

    /* Logo */
    .logo-img{width:100%;height:100%;object-fit:contain;display:block;border-radius:inherit}
    .brand-mark.has-logo,.logo-icon.has-logo{background:#fff!important;overflow:hidden;padding:7px}
    .brand-mark.has-logo{box-shadow:0 14px 34px rgba(15,23,42,.18)}
    .logo-icon.has-logo{box-shadow:0 8px 18px rgba(20,184,166,.14)}
    .logo-preview-box{width:96px;height:96px;border-radius:22px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;overflow:hidden;padding:8px;box-shadow:0 8px 22px rgba(15,23,42,.07)}
    .logo-preview-box img{width:100%;height:100%;object-fit:contain}
    .logo-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
    .logo-help{padding:12px;border-radius:13px;background:#f8fafc;border:1px dashed #cbd5e1;line-height:1.8;color:#475569;font-size:.86rem}
    .login-brand h1{font-size:2.5rem;margin:0 0 14px;position:relative}
    .login-brand p{line-height:1.9;max-width:580px;color:#d8f7f3;font-size:1.08rem;position:relative}
    .brand-features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;position:relative}
    .brand-feature{padding:15px;border:1px solid rgba(255,255,255,.15);border-radius:15px;background:rgba(255,255,255,.07)}
    .login-panel{display:flex;align-items:center;justify-content:center;padding:32px}
    .login-card{width:min(440px,100%);background:#fff;border-radius:26px;padding:34px;box-shadow:0 25px 70px rgba(15,23,42,.14)}
    .login-card h2{margin:0 0 8px;font-size:1.75rem}
    .login-card .subtitle{margin:0 0 26px;color:var(--slate)}
    .form-group{margin-bottom:16px}
    .form-group label{display:block;font-weight:700;margin-bottom:8px;font-size:.93rem}
    .input-wrap{position:relative}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 13px;background:#fff;color:var(--navy);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:var(--primary-2);box-shadow:0 0 0 4px rgba(20,184,166,.12)}
    textarea{min-height:95px;resize:vertical}
    .password-toggle{position:absolute;left:9px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:var(--slate);padding:6px}
    .check-row{display:flex;align-items:center;gap:9px;margin:12px 0 20px;color:var(--slate)}
    .check-row input{width:auto}
    .btn{border:0;border-radius:12px;padding:11px 16px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s;text-decoration:none}
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.18)}
    .btn-secondary{background:#eef2f7;color:var(--navy)}
    .btn-danger{background:var(--danger-soft);color:var(--danger)}
    .btn-outline{background:#fff;border:1px solid var(--line);color:var(--navy)}
    .btn-sm{padding:8px 11px;border-radius:9px;font-size:.86rem}
    .btn-block{width:100%}
    .login-error{padding:11px 13px;border-radius:11px;background:var(--danger-soft);color:#991b1b;margin-bottom:15px;display:none}
    .login-hint{margin-top:20px;padding:14px;border-radius:13px;background:#f8fafc;border:1px dashed #cbd5e1;font-size:.86rem;color:var(--slate);line-height:1.7}

    /* Shell */
    .app-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}
    .sidebar{background:linear-gradient(180deg,#0f172a,#132d35);color:#fff;padding:18px 14px;position:fixed;right:0;top:0;bottom:0;width:270px;overflow:auto;z-index:40;transition:.25s}
    .sidebar-logo{display:flex;align-items:center;gap:12px;padding:8px 10px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
    .sidebar-logo .logo-icon{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--primary-2),#2dd4bf);display:grid;place-items:center;font-size:23px}
    .sidebar-logo strong{font-size:1.05rem}.sidebar-logo span{display:block;color:#a7c7c7;font-size:.78rem;margin-top:3px}
    .side-user{margin:16px 6px;padding:13px;border-radius:14px;background:rgba(255,255,255,.07);display:flex;align-items:center;gap:11px}
    .avatar{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:var(--primary-2);color:#fff;font-weight:900;flex:none}
    .side-user strong{display:block;font-size:.9rem}.side-user span{color:#b9d2d2;font-size:.76rem}
    .nav-title{color:#729398;font-size:.72rem;font-weight:800;padding:12px 12px 7px}
    .nav-menu{display:flex;flex-direction:column;gap:4px}
    .nav-link{border:0;background:transparent;color:#cadadb;padding:11px 12px;border-radius:11px;text-align:right;display:flex;align-items:center;gap:11px;font-weight:700;width:100%}
    .nav-link:hover,.nav-link.active{background:rgba(20,184,166,.16);color:#fff}
    .nav-link .ico{width:24px;text-align:center;font-size:1.05rem}
    .main-area{grid-column:2;min-width:0}
    .topbar{height:70px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:30}
    .topbar h1{font-size:1.25rem;margin:0}.topbar p{margin:4px 0 0;color:var(--slate);font-size:.82rem}
    .top-actions{display:flex;align-items:center;gap:9px}
    .icon-btn{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:#fff;display:grid;place-items:center}
    .menu-toggle{display:none}
    .content{padding:26px;max-width:1600px;margin:auto}
    .page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:21px}
    .page-head h2{margin:0 0 6px;font-size:1.55rem}.page-head p{margin:0;color:var(--slate)}
    .toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

    /* Cards / stats */
    .stats-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-bottom:20px}
    .stat-card{background:var(--card);border:1px solid #edf2f7;border-radius:var(--radius);padding:17px;box-shadow:var(--shadow);position:relative;overflow:hidden;min-height:128px}
    .stat-card::after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;left:-28px;bottom:-38px;background:var(--soft,#eef2ff)}
    .stat-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--soft,#eef2ff);color:var(--tone,var(--info));font-size:20px;margin-bottom:13px}
    .stat-value{font-size:1.7rem;font-weight:900;line-height:1}.stat-label{font-size:.82rem;color:var(--slate);margin-top:7px;font-weight:700}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:20px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:20px}
    .card{background:var(--card);border:1px solid #edf2f7;border-radius:var(--radius);box-shadow:var(--shadow);padding:19px;min-width:0}
    .card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}
    .card-head h3{margin:0;font-size:1.03rem}.card-head p{margin:4px 0 0;color:var(--slate);font-size:.8rem}
    .chart-box{height:280px;position:relative}.chart-box canvas{width:100%;height:100%}
    .progress{height:9px;background:#e9eef4;border-radius:99px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:inherit}
    .metric-line{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.88rem}

    /* Tables */
    .filters{background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px;margin-bottom:15px;display:grid;grid-template-columns:2fr repeat(4,1fr);gap:10px}
    .table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:950px}
    th,td{padding:13px 12px;text-align:right;border-bottom:1px solid #edf2f7;vertical-align:middle}
    th{background:#f8fafc;color:var(--slate);font-size:.78rem;position:sticky;top:0;z-index:1}
    td{font-size:.88rem}tbody tr:hover{background:#fbfefe}tbody tr:last-child td{border-bottom:0}
    .badge{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:99px;font-weight:800;font-size:.75rem;white-space:nowrap}
    .status-planned{background:#e2e8f0;color:#475569}.status-progress{background:var(--info-soft);color:#1d4ed8}.status-completed{background:var(--success-soft);color:#15803d}.status-moved{background:var(--warning-soft);color:#b45309}.status-blocked{background:var(--danger-soft);color:#b91c1c}
    .priority-urgent{background:#fee2e2;color:#b91c1c}.priority-high{background:#ffedd5;color:#c2410c}.priority-medium{background:#fef3c7;color:#a16207}.priority-low{background:#dcfce7;color:#15803d}
    .row-actions{display:flex;gap:6px;flex-wrap:wrap}
    .empty{padding:45px 20px;text-align:center;color:var(--slate)}.empty .big{font-size:42px;display:block;margin-bottom:9px}

    /* workfiles / companies */
    .cards-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .entity-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;box-shadow:var(--shadow)}
    .entity-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.entity-card h3{margin:0 0 7px}.entity-card p{color:var(--slate);line-height:1.7;font-size:.87rem}
    .chips{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}.chip{padding:5px 8px;border-radius:8px;background:#f1f5f9;color:#475569;font-size:.75rem;font-weight:700}
    .entity-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:13px 0}.meta-box{background:#f8fafc;border-radius:10px;padding:9px}.meta-box span{display:block;color:var(--slate);font-size:.72rem}.meta-box strong{font-size:.85rem}

    /* Modal */
    .modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.58);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
    .modal{width:min(850px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:22px;box-shadow:0 30px 80px rgba(0,0,0,.25)}
    .modal-head{position:sticky;top:0;background:#fff;z-index:2;padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.modal-head h3{margin:0}.modal-close{border:0;background:#f1f5f9;border-radius:10px;width:36px;height:36px;font-size:20px}
    .modal-body{padding:22px}.modal-foot{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);padding:15px 22px;display:flex;justify-content:flex-end;gap:9px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.form-grid .full{grid-column:1/-1}
    .detail-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.detail-item{background:#f8fafc;border-radius:12px;padding:12px}.detail-item span{display:block;color:var(--slate);font-size:.75rem;margin-bottom:5px}.detail-item strong{line-height:1.6}

    /* Toast */
    .toast-stack{position:fixed;left:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:9px}
    .toast{min-width:280px;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px 15px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:flex-start;animation:slideIn .25s ease}
    .toast.success{border-right:4px solid var(--success)}.toast.error{border-right:4px solid var(--danger)}.toast.info{border-right:4px solid var(--info)}
    @keyframes slideIn{from{transform:translateX(-25px);opacity:0}to{transform:none;opacity:1}}

    .mobile-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:35}
    @media(max-width:1250px){.stats-grid{grid-template-columns:repeat(3,1fr)}.cards-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:920px){
      .login-view{grid-template-columns:1fr}.login-brand{display:none}
      .app-shell{display:block}.sidebar{transform:translateX(110%)}.sidebar.open{transform:translateX(0)}.mobile-overlay.show{display:block}
      .main-area{grid-column:auto}.menu-toggle{display:grid}.topbar{padding:0 16px}.content{padding:18px}
      .grid-2,.grid-3{grid-template-columns:1fr}.filters{grid-template-columns:1fr 1fr}.cards-grid{grid-template-columns:1fr}
    }
    @media(max-width:620px){
      .login-panel{padding:16px}.login-card{padding:24px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card{min-height:116px;padding:14px}
      .page-head{flex-direction:column}.filters{grid-template-columns:1fr}.form-grid,.detail-list{grid-template-columns:1fr}.form-grid .full{grid-column:auto}
      .topbar h1{font-size:1rem}.topbar p{display:none}.content{padding:14px}.modal-backdrop{padding:8px}.modal{border-radius:16px}.entity-meta{grid-template-columns:1fr}
    }

    /* Calendar and Arabic project model */
    .project-model-note{display:flex;gap:10px;align-items:flex-start;background:#f0fdfa;border:1px solid #99f6e4;color:#115e59;border-radius:15px;padding:12px 14px;margin-bottom:14px;line-height:1.7}
    .project-table table{min-width:1220px}
    .project-table th{background:#425346;color:#fff;font-size:.82rem}
    .project-table td{background:#fff}
    .project-table tbody tr:nth-child(even) td{background:#f8fafc}
    .project-title-cell strong{display:block;margin-bottom:5px}.project-title-cell .small{display:block}
    .priority-pill{min-width:82px;justify-content:space-between}.priority-pill::after{content:'⌄';opacity:.65;margin-right:5px}
    .calendar-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px}
    .calendar-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .calendar-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px;border-bottom:1px solid var(--line);background:#fff}
    .calendar-toolbar h3{margin:0;font-size:1.15rem}.calendar-toolbar .month-actions{display:flex;gap:8px;align-items:center}
    .calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));background:#e2e8f0;gap:1px}
    .calendar-weekday{background:#f8fafc;padding:10px;text-align:center;font-weight:900;color:#475569;font-size:.82rem}
    .calendar-day{min-height:116px;background:#fff;padding:8px;position:relative;display:flex;flex-direction:column;gap:6px}
    .calendar-day.other-month{background:#f8fafc;color:#94a3b8}.calendar-day.today{box-shadow:inset 0 0 0 2px var(--primary-2)}
    .day-number{font-weight:900;font-size:.85rem;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;background:#f1f5f9}.calendar-day.today .day-number{background:var(--primary);color:#fff}
    .event-chip{border:0;border-radius:8px;padding:5px 7px;text-align:right;font-size:.72rem;font-weight:800;line-height:1.4;background:#e0f2fe;color:#075985;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .event-chip.deadline{background:#fee2e2;color:#991b1b}.event-chip.meeting{background:#ede9fe;color:#5b21b6}.event-chip.shoot{background:#fef3c7;color:#92400e}.event-chip.publish{background:#dcfce7;color:#166534}.event-chip.followup{background:#ccfbf1;color:#115e59}.event-chip.delivery{background:#ffedd5;color:#9a3412}
    .calendar-side{display:flex;flex-direction:column;gap:14px}.event-list-item{padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 6px 16px rgba(15,23,42,.05)}
    .event-list-item h4{margin:0 0 7px;font-size:.95rem}.event-meta{display:flex;gap:8px;flex-wrap:wrap;color:#64748b;font-size:.78rem;line-height:1.7}
    .event-type{display:inline-flex;align-items:center;padding:4px 8px;border-radius:99px;background:#f1f5f9;font-size:.72rem;font-weight:800;color:#475569}
    @media(max-width:1050px){.calendar-layout{grid-template-columns:1fr}.calendar-side{order:-1}.calendar-day{min-height:92px}.event-chip{font-size:.68rem}}
    @media(max-width:700px){.calendar-grid{font-size:.8rem}.calendar-day{min-height:76px;padding:5px}.calendar-weekday{padding:8px 2px;font-size:.72rem}.event-chip{padding:3px 5px;max-width:100%}.calendar-toolbar{flex-direction:column;align-items:stretch}.calendar-toolbar .month-actions{justify-content:space-between}}


/* Firebase rebuilt additions */
.loading-screen{position:fixed;inset:0;z-index:500;background:linear-gradient(135deg,#f0fdfa,#eff6ff);display:grid;place-items:center}
.loading-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:28px 34px;text-align:center;min-width:min(360px,90vw)}
.spinner{width:42px;height:42px;border-radius:50%;border:4px solid #ccfbf1;border-top-color:var(--primary);margin:0 auto 14px;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.link-btn{border:0;background:transparent;color:var(--primary);font-weight:800;padding:0;cursor:pointer}
.auth-note{margin-top:14px;color:var(--slate);font-size:.82rem;line-height:1.7;text-align:center}
.form-hint{font-size:.78rem;color:var(--slate);line-height:1.6;margin-top:6px}
.disabled-note{padding:10px 12px;border-radius:10px;background:#f8fafc;border:1px dashed #cbd5e1;color:#64748b;font-size:.8rem}
.skeleton{background:linear-gradient(90deg,#f1f5f9,#e2e8f0,#f1f5f9);background-size:200% 100%;animation:skeleton 1.2s infinite;border-radius:9px}
@keyframes skeleton{to{background-position:-200% 0}}
.code-inline{font-family:Consolas,monospace;background:#f1f5f9;padding:2px 6px;border-radius:6px;font-size:.84em}
.warning-box{padding:13px 15px;border:1px solid #fde68a;background:#fffbeb;color:#92400e;border-radius:13px;line-height:1.7}
.success-box{padding:13px 15px;border:1px solid #86efac;background:#f0fdf4;color:#166534;border-radius:13px;line-height:1.7}
.action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media(max-width:620px){.action-grid{grid-template-columns:1fr}}