/* ═══════════════════════════════════════════════════════════════════
   styles.css — Platform Layout, Components & Responsive
   Uses design-system.css tokens. This file handles layout and
   page-specific styles.
   ═══════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════════ */
body{display:flex;min-height:100vh}

/* ═══════════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════════ */
.sidebar{
  width:var(--ds-sidebar-w);
  background:var(--ds-sidebar-bg);
  color:var(--ds-sidebar-text);
  display:flex;
  flex-direction:column;
  position:fixed;
  top:0;right:0;bottom:0;
  z-index:1000;
  transition:transform .3s var(--ds-ease);
  overflow-y:auto;
  overflow-x:hidden;
}
.sidebar-brand{
  display:flex;
  align-items:center;
  gap:var(--ds-sp-3);
  padding:var(--ds-sp-5) var(--ds-sp-4);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.sidebar-brand-icon{
  width:36px;height:36px;
  background:var(--ds-navy-400);
  border-radius:var(--ds-radius-sm);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  color:#fff;
}
.sidebar-brand-icon svg{width:20px;height:20px}
.sidebar-brand-name{
  font-size:.88rem;font-weight:700;color:#fff;
  line-height:1.3;
}
.sidebar-brand-version{
  display:block;font-size:.68rem;color:var(--ds-sidebar-text);opacity:.5;margin-top:1px;
}

/* Navigation */
.sidebar-nav{flex:1;padding:var(--ds-sp-2) 0}
.nav-group-label{
  font-size:.68rem;font-weight:600;
  color:var(--ds-sidebar-text);opacity:.4;
  padding:var(--ds-sp-4) var(--ds-sp-5) var(--ds-sp-1);
  letter-spacing:.04em;
}
.nav-item{
  display:flex;align-items:center;gap:var(--ds-sp-3);
  padding:var(--ds-sp-2) var(--ds-sp-5);
  color:var(--ds-sidebar-text);
  font-size:.85rem;
  cursor:pointer;
  transition:var(--ds-transition);
  border-right:3px solid transparent;
  text-decoration:none;
  position:relative;
}
.nav-item:hover{
  background:var(--ds-sidebar-hover);
  color:#fff;
}
.nav-item.active{
  background:var(--ds-sidebar-active);
  color:#fff;
  border-right-color:var(--ds-navy-400);
  font-weight:600;
}
.nav-icon{
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  opacity:.7;
}
.nav-item.active .nav-icon{opacity:1}
.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-badge{
  margin-right:auto;
  background:var(--ds-red-500);
  color:#fff;
  font-size:.65rem;
  padding:1px 7px;
  border-radius:var(--ds-radius-full);
  font-weight:600;
}

/* Sidebar footer */
.sidebar-footer{
  padding:var(--ds-sp-3) var(--ds-sp-5);
  border-top:1px solid rgba(255,255,255,.06);
  font-size:.7rem;
  opacity:.35;
  text-align:center;
  display:flex;
  flex-direction:column;
  gap:2px;
}

/* Sidebar overlay (mobile) */
.sidebar-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.4);
  z-index:999;
  backdrop-filter:blur(2px);
}
.sidebar-overlay.active{display:block}

/* ═══════════════════════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════════════════════ */
.main-content{
  flex:1;
  margin-right:var(--ds-sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  transition:margin .3s var(--ds-ease);
}

/* Top bar */
.top-bar{
  display:flex;
  align-items:center;
  gap:var(--ds-sp-3);
  padding:var(--ds-sp-3) var(--ds-sp-6);
  background:var(--ds-surface);
  border-bottom:1px solid var(--ds-border);
  position:sticky;
  top:0;
  z-index:100;
  height:52px;
}
.top-bar h2{margin:0;font-size:1rem;font-weight:600}
.top-bar-actions{margin-right:auto;display:flex;align-items:center;gap:var(--ds-sp-2)}
.mobile-menu-btn{
  display:none;
  width:36px;height:36px;
  border-radius:var(--ds-radius-sm);
  align-items:center;justify-content:center;
  color:var(--ds-text-secondary);
}
.mobile-menu-btn svg{width:20px;height:20px}

/* Page content */
.page-content{
  flex:1;
  padding:var(--ds-sp-4) var(--ds-sp-5);
  max-width:1400px;
  width:100%;
  margin:0 auto;
}
.page-section{display:none}
.page-section.active{display:block}

/* Alerts */
#alerts-container{padding:0 var(--ds-sp-6)}

/* ═══════════════════════════════════════════════════════════════════
   HOME HERO
   ═══════════════════════════════════════════════════════════════════ */
.home-hero{
  position:relative;
  background:linear-gradient(135deg, var(--ds-navy-900) 0%, var(--ds-navy-700) 50%, var(--ds-navy-900) 100%);
  border-radius:var(--ds-radius-md);
  overflow:hidden;
  padding:var(--ds-sp-10) var(--ds-sp-6) var(--ds-sp-8);
  text-align:center;
  margin-bottom:var(--ds-sp-5);
}
.home-hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 40%, rgba(65,143,222,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(45,212,191,.08) 0%, transparent 50%);
  pointer-events:none;
}
.home-hero-content{position:relative;z-index:1;max-width:600px;margin:0 auto}
.home-hero-badge{
  display:inline-block;
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.7);
  padding:3px var(--ds-sp-3);
  border-radius:var(--ds-radius-full);
  font-size:.68rem;
  font-weight:500;
  letter-spacing:.03em;
  margin-bottom:var(--ds-sp-3);
  border:1px solid rgba(255,255,255,.08);
}
.home-hero-title{
  font-size:1.5rem;
  font-weight:700;
  color:#fff;
  margin-bottom:var(--ds-sp-2);
  line-height:1.35;
}
.home-hero-sub{
  font-size:.85rem;
  color:rgba(255,255,255,.6);
  line-height:1.65;
  margin-bottom:var(--ds-sp-5);
}
.home-hero-actions{display:flex;gap:var(--ds-sp-2);justify-content:center;flex-wrap:wrap}

/* ═══════════════════════════════════════════════════════════════════
   UPLOAD ZONE
   ═══════════════════════════════════════════════════════════════════ */
.upload-zone{
  border:2px dashed rgba(37,99,235,.45);
  border-radius:var(--ds-radius-md);
  padding:var(--ds-sp-6) var(--ds-sp-5);
  text-align:center;
  cursor:pointer;
  transition:all .28s ease;
  background:linear-gradient(145deg,rgba(37,99,235,.07) 0%,rgba(16,185,129,.07) 100%);
  position:relative;
  overflow:hidden;
}
.upload-zone::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(145deg,rgba(37,99,235,.05) 0%,rgba(16,185,129,.08) 100%);
  opacity:0;transition:opacity .28s ease;pointer-events:none;
}
.upload-zone:hover{
  border-color:rgba(37,99,235,.7);
  background:linear-gradient(145deg,rgba(37,99,235,.12) 0%,rgba(16,185,129,.10) 100%);
  box-shadow:0 4px 18px rgba(37,99,235,.13);
}
.upload-zone:hover::before{opacity:1}
.upload-zone.dragover{
  border-color:rgba(37,99,235,.9);
  background:linear-gradient(145deg,rgba(37,99,235,.18) 0%,rgba(16,185,129,.15) 100%);
  box-shadow:0 6px 24px rgba(37,99,235,.18);
  transform:scale(1.005);
}
.upload-zone input{display:none}
.upload-zone-icon{
  width:40px;height:40px;
  margin:0 auto var(--ds-sp-3);
  background:linear-gradient(135deg,#2563eb,#059669);
  border-radius:var(--ds-radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  box-shadow:0 3px 10px rgba(37,99,235,.28);
  transition:transform .2s ease,box-shadow .2s ease;
}
.upload-zone:hover .upload-zone-icon{
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(37,99,235,.35);
}
.upload-zone-icon svg{width:18px;height:18px}

/* ═══════════════════════════════════════════════════════════════════
   STATS GRID
   ═══════════════════════════════════════════════════════════════════ */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:var(--ds-sp-3);
  margin-bottom:var(--ds-sp-5);
}

/* ═══════════════════════════════════════════════════════════════════
   TABLE WRAPPER
   ═══════════════════════════════════════════════════════════════════ */
.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrapper .ds-table{min-width:700px}

/* ═══════════════════════════════════════════════════════════════════
   REPORT CONTENT
   ═══════════════════════════════════════════════════════════════════ */
.report-content{
  white-space:pre-wrap;
  line-height:1.8;
  text-align:justify;
  font-size:.88rem;
  color:var(--ds-text);
  padding:var(--ds-sp-5);
  background:var(--ds-gray-50);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius);
  max-height:600px;
  overflow-y:auto;
}

/* ═══════════════════════════════════════════════════════════════════
   SIMILARITY GRID
   ═══════════════════════════════════════════════════════════════════ */
.similarity-grid{
  display:grid;
  gap:var(--ds-sp-4);
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
}
.sim-card{width:100%;min-width:0;overflow:hidden}

/* ═══════════════════════════════════════════════════════════════════
   ABOUT PLATFORM
   ═══════════════════════════════════════════════════════════════════ */
.apl-hero{
  position:relative;
  background:linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0c1929 100%);
  border-radius:var(--ds-radius-lg);
  overflow:hidden;
  padding:var(--ds-sp-12) var(--ds-sp-6) var(--ds-sp-10);
  text-align:center;
  margin-bottom:var(--ds-sp-6);
}
.apl-hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 25% 30%, rgba(65,143,222,.15) 0%, transparent 50%),
    radial-gradient(circle at 75% 60%, rgba(45,212,191,.1) 0%, transparent 50%);
  pointer-events:none;
}
.apl-hero-content{position:relative;z-index:1;max-width:700px;margin:0 auto}
.apl-badge{
  display:inline-block;
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.7);
  padding:var(--ds-sp-1) var(--ds-sp-4);
  border-radius:var(--ds-radius-full);
  font-size:.72rem;
  font-weight:500;
  margin-bottom:var(--ds-sp-5);
  border:1px solid rgba(255,255,255,.08);
}
.apl-hero-title{font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:var(--ds-sp-3);line-height:1.35}
.apl-hero-sub{font-size:.92rem;color:rgba(255,255,255,.65);line-height:1.7;margin-bottom:var(--ds-sp-6)}
.apl-hero-visual{display:flex;align-items:center;justify-content:center;gap:var(--ds-sp-2);flex-wrap:wrap}
.apl-visual-item{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-3) var(--ds-sp-4);
  min-width:80px;
}
.apl-visual-item span{font-size:.75rem;color:rgba(255,255,255,.75);font-weight:500}
.apl-visual-arrow{font-size:1.1rem;color:rgba(255,255,255,.25)}

/* Sections */
.apl-section{
  background:var(--ds-surface);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius-md);
  padding:var(--ds-sp-8) var(--ds-sp-6);
  margin-bottom:var(--ds-sp-5);
  box-shadow:var(--ds-shadow-xs);
}
.apl-section-title{
  font-size:1.15rem;font-weight:700;color:var(--ds-text);
  margin-bottom:var(--ds-sp-5);
  padding-bottom:var(--ds-sp-3);
  border-bottom:2px solid var(--ds-border);
}
.apl-intro-text{color:var(--ds-text-secondary);line-height:1.8;font-size:.92rem;margin-bottom:var(--ds-sp-5);text-align:justify}
.apl-two-col{display:grid;grid-template-columns:1fr 1fr;gap:var(--ds-sp-8);align-items:start}
.apl-text-block p{color:var(--ds-text-secondary);line-height:1.85;font-size:.92rem;margin-bottom:var(--ds-sp-3);text-align:justify}
.apl-feature-highlight{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--ds-sp-3)}
.apl-highlight-item{
  background:var(--ds-navy-50);
  border:1px solid rgba(65,143,222,.1);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-4) var(--ds-sp-3);
  text-align:center;
}
.apl-highlight-num{display:block;font-size:1.5rem;font-weight:800;color:var(--ds-navy-400)}
.apl-highlight-label{display:block;font-size:.72rem;color:var(--ds-text-secondary);margin-top:2px;font-weight:500}

/* Problems */
.apl-problems-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--ds-sp-3)}
.apl-problem-card{
  background:var(--ds-gray-50);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-4);
  text-align:center;
}
.apl-problem-icon{margin-bottom:var(--ds-sp-2)}
.apl-problem-card h3{font-size:.88rem;font-weight:600;color:var(--ds-text);margin-bottom:4px}
.apl-problem-card p{font-size:.78rem;color:var(--ds-text-muted);line-height:1.5}

/* Capabilities */
.apl-capabilities-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--ds-sp-4)}
.apl-cap-card{
  background:var(--ds-gray-50);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-5);
  transition:var(--ds-transition);
}
.apl-cap-card:hover{border-color:var(--ds-navy-400);box-shadow:var(--ds-shadow-sm);transform:translateY(-1px)}
.apl-cap-card.apl-cap-urgent{border-color:var(--ds-red-500);background:var(--ds-red-50)}
.apl-cap-icon{margin-bottom:var(--ds-sp-3)}
.apl-cap-card h3{font-size:.92rem;font-weight:700;color:var(--ds-text);margin-bottom:var(--ds-sp-2)}
.apl-cap-card p{font-size:.82rem;color:var(--ds-text-secondary);line-height:1.65}
.apl-cap-note{
  display:block;margin-top:var(--ds-sp-3);
  font-size:.75rem;color:var(--ds-red-600);font-weight:500;
  background:rgba(220,53,69,.06);
  padding:var(--ds-sp-2) var(--ds-sp-3);
  border-radius:var(--ds-radius-sm);
  border-right:3px solid var(--ds-red-500);
}
.apl-cap-list{list-style:none;margin-top:var(--ds-sp-2);padding:0}
.apl-cap-list li{font-size:.78rem;color:var(--ds-text-secondary);padding:3px 0;padding-right:14px;position:relative}
.apl-cap-list li::before{content:'';position:absolute;right:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--ds-navy-400)}

/* Workflow */
.apl-workflow{display:flex;align-items:flex-start;justify-content:center;gap:0;flex-wrap:wrap;padding:var(--ds-sp-5) 0}
.apl-step{display:flex;flex-direction:column;align-items:center;text-align:center;flex:1;min-width:120px;max-width:160px}
.apl-step-num{
  width:42px;height:42px;border-radius:50%;
  background:var(--ds-navy-400);color:#fff;
  font-size:.88rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:var(--ds-sp-2);flex-shrink:0;
}
.apl-step-content h3{font-size:.82rem;font-weight:600;color:var(--ds-text);margin-bottom:2px}
.apl-step-content p{font-size:.72rem;color:var(--ds-text-muted);line-height:1.4}
.apl-step-line{width:32px;height:2px;background:var(--ds-border);margin-top:21px;flex-shrink:0}

/* Value */
.apl-value-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--ds-sp-4)}
.apl-value-card{
  background:var(--ds-gray-50);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-6) var(--ds-sp-5);
  text-align:center;
  transition:var(--ds-transition);
}
.apl-value-card:hover{border-color:var(--ds-navy-400);box-shadow:var(--ds-shadow-sm);transform:translateY(-1px)}
.apl-value-icon{margin-bottom:var(--ds-sp-3)}
.apl-value-card h3{font-size:.92rem;font-weight:700;color:var(--ds-text);margin-bottom:var(--ds-sp-2)}
.apl-value-card p{font-size:.8rem;color:var(--ds-text-secondary);line-height:1.6}

/* Future */
.apl-section-future{background:linear-gradient(135deg,#f8fafc 0%,#e8f0fe 100%);border-color:rgba(25,103,210,.1)}
.apl-future-intro p{font-size:.92rem;color:var(--ds-text-secondary);line-height:1.8;margin-bottom:var(--ds-sp-5);text-align:justify}
.apl-future-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--ds-sp-3)}
.apl-future-card{
  display:flex;align-items:center;gap:var(--ds-sp-3);
  background:var(--ds-surface);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-3) var(--ds-sp-4);
  font-size:.82rem;color:var(--ds-text);
  transition:var(--ds-transition);
}
.apl-future-card:hover{border-color:var(--ds-navy-400);box-shadow:var(--ds-shadow-xs)}

/* Closing */
.apl-closing{text-align:center;background:linear-gradient(135deg,var(--ds-navy-900) 0%,var(--ds-navy-700) 100%);color:#fff}
.apl-closing .apl-section-title{color:#fff;border-bottom-color:rgba(255,255,255,.12)}
.apl-closing-text{font-size:.92rem;color:rgba(255,255,255,.75);line-height:1.8;max-width:600px;margin:0 auto var(--ds-sp-5);text-align:center}
.apl-closing-badge{
  display:inline-block;
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.6);
  padding:var(--ds-sp-2) var(--ds-sp-5);
  border-radius:var(--ds-radius-full);
  font-size:.72rem;
  font-weight:500;
  border:1px solid rgba(255,255,255,.08);
}

/* ═══════════════════════════════════════════════════════════════════
   DEVELOPER PAGE
   ═══════════════════════════════════════════════════════════════════ */
.dev-hero{
  position:relative;
  background:linear-gradient(135deg,var(--ds-navy-900) 0%,var(--ds-navy-700) 50%,var(--ds-navy-900) 100%);
  border-radius:var(--ds-radius-lg);
  overflow:hidden;
  padding:var(--ds-sp-12) var(--ds-sp-6) var(--ds-sp-10);
  margin-bottom:var(--ds-sp-6);
}
.dev-hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 50% 30%, rgba(37,99,235,.18) 0%, transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(5,150,105,.08) 0%, transparent 40%);
  pointer-events:none;
}
.dev-hero-content{position:relative;z-index:1}
.dev-profile-centered{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  max-width:540px;
  margin:0 auto;
}
/* Circular photo with glowing ring */
.dev-photo-wrapper{
  width:140px;height:140px;
  border-radius:50%;
  overflow:hidden;
  border:4px solid rgba(255,255,255,.3);
  outline:2px solid rgba(37,99,235,.5);
  outline-offset:3px;
  box-shadow:
    0 0 0 6px rgba(37,99,235,.12),
    0 12px 40px rgba(0,0,0,.4);
  flex-shrink:0;
  background:var(--ds-navy-800);
  margin:0 auto var(--ds-sp-5);
  transition:box-shadow .3s ease,outline-color .3s ease;
}
.dev-photo-wrapper:hover{
  outline-color:rgba(37,99,235,.7);
  box-shadow:
    0 0 0 8px rgba(37,99,235,.18),
    0 16px 48px rgba(0,0,0,.45);
}
.dev-photo{
  width:140px !important;
  height:140px !important;
  max-width:140px !important;
  min-width:140px !important;
  object-fit:cover !important;
  object-position:center top !important;
  display:block !important;
  border-radius:50% !important;
}
.dev-photo-placeholder{
  width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
}
.dev-info-centered{text-align:center;margin-bottom:var(--ds-sp-6)}
.dev-name-ar{font-size:1.6rem;font-weight:800;color:#fff;margin-bottom:3px;line-height:1.3;letter-spacing:-.01em}
.dev-name-en{font-size:.88rem;color:rgba(255,255,255,.45);margin-bottom:var(--ds-sp-3)}
.dev-title{
  font-size:.88rem;color:rgba(255,255,255,.8);font-weight:500;
  margin-bottom:var(--ds-sp-4);
  background:rgba(255,255,255,.07);
  display:inline-block;padding:5px 16px;border-radius:var(--ds-radius-full);
  border:1px solid rgba(255,255,255,.1);
}
.dev-desc{font-size:.82rem;color:rgba(255,255,255,.55);line-height:1.75;max-width:440px;margin:0 auto}

.dev-contact-row{
  display:flex;align-items:center;gap:var(--ds-sp-3);
  flex-wrap:wrap;justify-content:center;
}
.dev-contact-row-centered{
  display:flex;align-items:center;gap:var(--ds-sp-3);
  flex-wrap:wrap;justify-content:center;
}
.dev-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 26px;
  border-radius:var(--ds-radius);
  font-size:.88rem;font-weight:600;
  text-decoration:none;
  transition:all .22s ease;
  border:1px solid transparent;
  cursor:pointer;
  letter-spacing:.01em;
}
.dev-btn:active{transform:scale(.96)}
.dev-btn-whatsapp{
  background:linear-gradient(135deg,#25d366,#1db954);
  color:#fff;
  border-color:rgba(0,0,0,.1);
  box-shadow:0 4px 14px rgba(37,211,102,.32);
}
.dev-btn-whatsapp:hover{
  background:linear-gradient(135deg,#20c759,#17a348);
  box-shadow:0 6px 22px rgba(37,211,102,.45);
  transform:translateY(-2px);
}
.dev-btn-email{
  background:linear-gradient(135deg,#2563eb,#1d4ed8);
  color:#fff;
  border-color:rgba(0,0,0,.1);
  box-shadow:0 4px 14px rgba(37,99,235,.30);
}
.dev-btn-email:hover{
  background:linear-gradient(135deg,#1d4ed8,#1e40af);
  box-shadow:0 6px 22px rgba(37,99,235,.42);
  transform:translateY(-2px);
}

.dev-section{
  background:var(--ds-surface);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius-md);
  padding:var(--ds-sp-6) var(--ds-sp-5);
  margin-bottom:var(--ds-sp-5);
  box-shadow:var(--ds-shadow-xs);
}
.dev-section-title{
  font-size:1.1rem;font-weight:700;color:var(--ds-text);
  margin-bottom:var(--ds-sp-4);
  padding-bottom:var(--ds-sp-3);
  border-bottom:2px solid var(--ds-border);
}
.dev-tags-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:var(--ds-sp-2)}
.dev-tag{
  display:flex;align-items:center;gap:var(--ds-sp-2);
  background:var(--ds-navy-50);
  color:var(--ds-navy-500);
  padding:var(--ds-sp-2) var(--ds-sp-3);
  border-radius:var(--ds-radius-sm);
  font-size:.82rem;font-weight:500;
  border:1px solid rgba(65,143,222,.1);
  transition:var(--ds-transition);
}
.dev-tag:hover{background:var(--ds-navy-400);color:#fff;border-color:var(--ds-navy-400)}
.dev-projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--ds-sp-3)}
.dev-project-card{
  background:var(--ds-gray-50);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius);
  padding:var(--ds-sp-4);
  transition:var(--ds-transition);
}
.dev-project-card:hover{border-color:var(--ds-navy-400);box-shadow:var(--ds-shadow-sm)}
.dev-project-icon{margin-bottom:var(--ds-sp-2)}
.dev-project-card h3{font-size:.88rem;font-weight:600;color:var(--ds-text);margin-bottom:4px}
.dev-project-card p{font-size:.78rem;color:var(--ds-text-secondary);line-height:1.5}

.dev-copyright{text-align:center;padding:var(--ds-sp-5) 0 var(--ds-sp-2);color:var(--ds-text-muted);font-size:.75rem;opacity:.6}

/* ═══════════════════════════════════════════════════════════════════
   CHATBOT
   ═══════════════════════════════════════════════════════════════════ */
.chatbot-toggle{
  position:fixed;
  bottom:var(--ds-sp-5);
  left:var(--ds-sp-5);
  width:48px;height:48px;
  border-radius:50%;
  background:var(--ds-navy-400);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--ds-shadow-md);
  z-index:900;
  transition:var(--ds-transition);
}
.chatbot-toggle:hover{background:var(--ds-navy-500);transform:scale(1.05)}
.chatbot-panel{
  position:fixed;
  bottom:80px;
  left:var(--ds-sp-5);
  width:360px;
  max-height:480px;
  background:var(--ds-surface);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius-md);
  box-shadow:var(--ds-shadow-lg);
  display:none;
  flex-direction:column;
  z-index:900;
  overflow:hidden;
}
.chatbot-panel.open{display:flex}
.chatbot-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:var(--ds-sp-3) var(--ds-sp-4);
  background:var(--ds-navy-900);color:#fff;
  font-size:.88rem;font-weight:600;
}
.chatbot-header button{color:#fff;font-size:1.2rem;background:none;border:none;cursor:pointer}
.chatbot-messages{
  flex:1;overflow-y:auto;
  padding:var(--ds-sp-3);
  max-height:320px;
}
.chat-msg{
  padding:var(--ds-sp-2) var(--ds-sp-3);
  border-radius:var(--ds-radius);
  margin-bottom:var(--ds-sp-2);
  font-size:.82rem;
  line-height:1.5;
  max-width:85%;
}
.chat-msg.bot{background:var(--ds-gray-100);color:var(--ds-text)}
.chat-msg.user{background:var(--ds-navy-400);color:#fff;margin-left:auto}
.chatbot-input{
  display:flex;
  border-top:1px solid var(--ds-border);
}
.chatbot-input input{
  flex:1;border:none;padding:var(--ds-sp-3);font-size:.85rem;
  outline:none;
}
.chatbot-input button{
  padding:var(--ds-sp-3) var(--ds-sp-4);
  background:var(--ds-navy-400);color:#fff;
  font-size:.82rem;font-weight:600;
}

/* ═══════════════════════════════════════════════════════════════════
   LOADING
   ═══════════════════════════════════════════════════════════════════ */
.spinner-overlay{
  display:none;
  position:fixed;inset:0;
  background:rgba(255,255,255,.85);
  z-index:2000;
  align-items:center;justify-content:center;
  backdrop-filter:blur(4px);
}
.spinner-overlay.active{display:flex}
.spinner-box{text-align:center}
.spinner{
  width:40px;height:40px;
  border:3px solid var(--ds-gray-200);
  border-top-color:var(--ds-navy-400);
  border-radius:50%;
  animation:spin .8s linear infinite;
  margin:0 auto var(--ds-sp-3);
}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner-box p{font-size:.88rem;color:var(--ds-text-secondary)}

/* ═══════════════════════════════════════════════════════════════════
   REGION SELECTOR
   ═══════════════════════════════════════════════════════════════════ */
.region-chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  background:var(--ds-gray-50);
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius-full);
  font-size:.78rem;
  cursor:pointer;
  transition:var(--ds-transition);
  user-select:none;
}
.region-chip:hover{border-color:var(--ds-navy-400);background:var(--ds-navy-50)}
.region-chip:has(input:checked){
  background:var(--ds-navy-50);
  border-color:var(--ds-navy-400);
  color:var(--ds-navy-500);
  font-weight:500;
}
.region-chip input{display:none}
.orch-flow-item{
  padding:2px 8px;
  background:var(--ds-gray-100);
  border-radius:var(--ds-radius-sm);
  font-size:.7rem;
  color:var(--ds-text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════
   LEGACY CLASSES — used by app.js
   ═══════════════════════════════════════════════════════════════════ */
.badge-severity{display:inline-block;padding:2px 10px;border-radius:9999px;font-size:.72rem;font-weight:600}
.badge-critical{background:var(--ds-red-100);color:var(--ds-red-600)}
.badge-high{background:var(--ds-amber-100);color:var(--ds-amber-600)}
.badge-moderate{background:var(--ds-blue-100);color:var(--ds-blue-600)}
.badge-approved{background:var(--ds-green-100);color:var(--ds-green-600)}
.badge-fallback{background:var(--ds-amber-100);color:var(--ds-amber-600)}
.row-number-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;
  background:var(--ds-gray-100);
  border-radius:50%;
  font-size:.72rem;font-weight:600;color:var(--ds-text-secondary);
}
.phone-cell{font-family:var(--ds-font-mono);font-size:.82rem;color:var(--ds-text-secondary)}

/* ═══════════════════════════════════════════════════════════════════
   MAP CARD
   ═══════════════════════════════════════════════════════════════════ */
#map-card .ds-card-body{padding:0;overflow:hidden}
#map-container{height:420px;width:100%;min-height:300px;z-index:1}
.leaflet-container{background:var(--ds-gray-100);touch-action:manipulation}
.custom-div-icon{background:transparent;border:none}

/* Tables */
.data-table{width:100%;border-collapse:collapse;font-size:.85rem}
.data-table th{
  background:var(--ds-gray-50);
  padding:var(--ds-sp-3) var(--ds-sp-4);
  font-weight:600;font-size:.78rem;
  color:var(--ds-text-secondary);
  text-align:right;
  border-bottom:2px solid var(--ds-border);
}
.data-table td{
  padding:var(--ds-sp-3) var(--ds-sp-4);
  border-bottom:1px solid var(--ds-border);
  color:var(--ds-text);
}
.data-table tr:hover td{background:var(--ds-gray-50)}
.compact-table td,.compact-table th{padding:var(--ds-sp-2) var(--ds-sp-3)}

/* Status select */
.status-select{
  padding:4px 8px;
  border:1px solid var(--ds-border);
  border-radius:var(--ds-radius-sm);
  font-size:.78rem;
  background:var(--ds-surface);
  color:var(--ds-text);
  cursor:pointer;
}
.badge-status-pending{border-color:var(--ds-amber-500)}
.badge-status-progress{border-color:var(--ds-blue-500)}
.badge-status-done{border-color:var(--ds-green-500)}

/* Progress */
.progress-bar{height:6px;background:var(--ds-gray-100);border-radius:9999px;overflow:hidden}
.progress-fill{height:100%;border-radius:9999px;transition:width .5s var(--ds-ease)}
.progress-fill.primary{background:var(--ds-navy-400)}

/* Cards (used in report) */
.card{background:var(--ds-surface);border:1px solid var(--ds-border);border-radius:var(--ds-radius-md);overflow:hidden}
.card-header{padding:var(--ds-sp-3) var(--ds-sp-4);border-bottom:1px solid var(--ds-border);background:var(--ds-gray-50)}
.card-header h3{font-size:.92rem;font-weight:600;color:var(--ds-text);margin:0}
.card-body{padding:var(--ds-sp-4)}

/* Alert */
.alert{padding:var(--ds-sp-3) var(--ds-sp-4);border-radius:var(--ds-radius);margin-bottom:var(--ds-sp-3);font-size:.85rem;line-height:1.6}
.alert-info{background:var(--ds-blue-100);border:1px solid rgba(25,103,210,.15);color:var(--ds-gray-800)}

/* Trend indicator */
.trend-indicator{font-size:.7rem;font-weight:600;margin-right:6px}
.trend-up{color:var(--ds-green-600)}
.trend-down{color:var(--ds-red-600)}

/* Report header */
.report-header-info{font-size:.78rem;color:var(--ds-text-muted);margin-bottom:var(--ds-sp-3);padding-bottom:var(--ds-sp-2);border-bottom:1px solid var(--ds-border)}

/* SLA countdown */
.sla-countdown{
  font-family:var(--ds-font-mono);
  font-size:.82rem;font-weight:600;
  padding:2px 8px;
  border-radius:var(--ds-radius-sm);
  display:inline-block;
}
.sla-countdown.critical{background:var(--ds-red-100);color:var(--ds-red-600)}
.sla-countdown.high{background:var(--ds-amber-100);color:var(--ds-amber-600)}

/* Typing indicator */
.typing-indicator{display:flex;gap:4px;padding:8px 12px}
.typing-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--ds-gray-400);
  animation:typing 1.4s infinite ease-in-out;
}
.typing-dot:nth-child(2){animation-delay:.2s}
.typing-dot:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-4px)}}

/* Toast */
.toast-container{position:fixed;top:var(--ds-sp-4);left:var(--ds-sp-4);z-index:3000;display:flex;flex-direction:column;gap:var(--ds-sp-2)}
.toast{
  padding:var(--ds-sp-3) var(--ds-sp-4);
  border-radius:var(--ds-radius);
  font-size:.82rem;font-weight:500;
  box-shadow:var(--ds-shadow-md);
  animation:ds-slide-in-right .3s var(--ds-ease);
  max-width:360px;
}
.toast-success{background:var(--ds-green-600);color:#fff}
.toast-danger{background:var(--ds-red-500);color:#fff}
.toast-error{background:var(--ds-red-500);color:#fff}
.toast-warning{background:var(--ds-amber-500);color:#fff}
.toast-info{background:var(--ds-navy-400);color:#fff}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */
@media(max-width:1024px){
  .apl-two-col{grid-template-columns:1fr}
  .apl-feature-highlight{grid-template-columns:repeat(3,1fr)}
  .orch-module{position:static !important;transform:none !important;margin-bottom:var(--ds-sp-2)}
  .orch-modules{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--ds-sp-3);position:static}
  .orchestrator{min-height:auto}
  .orch-lines{display:none}
}

@media(max-width:768px){
  .sidebar{transform:translateX(100%)}
  .sidebar.mobile-open{transform:translateX(0)}
  .main-content{margin-right:0}
  .mobile-menu-btn{display:flex}
  .page-content{padding:var(--ds-sp-3)}
  .home-hero{padding:var(--ds-sp-6) var(--ds-sp-4) var(--ds-sp-5);border-radius:0}
  .home-hero-title{font-size:1.2rem}
  .home-hero-sub{font-size:.78rem}
  .journey{flex-direction:column;align-items:center}
  .journey-connector{width:2px;height:12px;margin:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--ds-sp-2)}
  .apl-hero{padding:var(--ds-sp-6) var(--ds-sp-4) var(--ds-sp-5);border-radius:0}
  .apl-hero-title{font-size:1.2rem}
  .apl-section{padding:var(--ds-sp-4) var(--ds-sp-3);border-radius:0}
  .apl-capabilities-grid{grid-template-columns:1fr}
  .apl-workflow{flex-direction:column;align-items:center}
  .apl-step-line{width:2px;height:12px;margin:0}
  .apl-value-grid{grid-template-columns:1fr}
  .apl-future-grid{grid-template-columns:1fr}
  .dev-hero{border-radius:0;padding:var(--ds-sp-6) var(--ds-sp-4)}
  .dev-photo-wrapper{width:110px;height:110px}
  .dev-name-ar{font-size:1.2rem}
  .dev-section{border-radius:0;padding:var(--ds-sp-3)}
  .dev-tags-grid{grid-template-columns:repeat(2,1fr)}
  .dev-projects-grid{grid-template-columns:1fr}
  .dev-contact-row,.dev-contact-row-centered{flex-direction:column;width:100%}
  .dev-btn{width:100%;justify-content:center}
  .chatbot-panel{left:var(--ds-sp-3);right:var(--ds-sp-3);width:auto}
  /* Map mobile */
  #map-container{height:280px;min-height:220px}
  /* Tables mobile - horizontal scroll */
  .table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--ds-border);border-radius:var(--ds-radius-sm)}
  .table-wrapper .ds-table{min-width:700px}
  /* Cards mobile */
  .ds-card{border-radius:var(--ds-radius-sm)}
  .ds-card-header{padding:var(--ds-sp-3);flex-wrap:wrap;gap:var(--ds-sp-2)}
  .ds-card-header .ds-btn{flex-shrink:0}
  .ds-card-body{padding:var(--ds-sp-3)}
  /* Upload zone mobile */
  .upload-zone{padding:var(--ds-sp-4) var(--ds-sp-3)}
  /* Filters mobile */
  .ds-select{font-size:.82rem;padding:6px 8px}
  /* Stat cards mobile */
  .ds-stat{padding:var(--ds-sp-3)}
  .ds-stat-value{font-size:1.1rem}
  .ds-stat-label{font-size:.7rem}
  /* Buttons mobile */
  .ds-btn{font-size:.82rem;padding:8px 14px}
  .ds-btn-sm{font-size:.75rem;padding:5px 10px}
  /* Similarity grid mobile - single column, smaller cards */
  .similarity-grid{grid-template-columns:1fr !important;gap:var(--ds-sp-3)}
  .sim-card{padding:var(--ds-sp-3) !important;font-size:.82rem !important}
  .sim-card table{font-size:.78rem}
  .sim-card table th,.sim-card table td{padding:4px 6px !important}
  /* Tables inside cards */
  .compact-table th,.compact-table td{padding:4px 6px !important;font-size:.75rem !important}
  /* Report section mobile */
  .report-header-info{font-size:.72rem}
  /* Region chips mobile */
  .region-chip{font-size:.72rem;padding:3px 8px}
  /* Modal mobile */
  .ds-modal-content{margin:var(--ds-sp-3);max-height:90vh}
  /* Progress mobile */
  .orch-flow{font-size:.7rem;gap:4px}
  /* Developer contact mobile */
  .dev-contact-row,.dev-contact-row-centered{gap:var(--ds-sp-2)}
  .dev-btn{padding:var(--ds-sp-3) var(--ds-sp-4)}
  /* Toast mobile */
  .toast-container{left:var(--ds-sp-2);right:var(--ds-sp-2);top:var(--ds-sp-2)}
  .toast{max-width:100%;font-size:.78rem}
  /* Export buttons mobile */
  .export-btns{flex-wrap:wrap}
  .export-btns .ds-btn{flex:1 1 45%;min-width:0}
  /* Section headings mobile */
  .ds-h3{font-size:.92rem;line-height:1.4}
  .ds-small{font-size:.72rem}
}

@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .home-hero-title{font-size:1.1rem}
  .apl-problems-grid{grid-template-columns:1fr 1fr}
  .apl-visual-item{min-width:56px;padding:var(--ds-sp-2)}
  .dev-photo-wrapper{width:90px;height:90px}
  .dev-name-ar{font-size:1.1rem}
  .dev-tags-grid{grid-template-columns:1fr 1fr}
  #map-container{height:240px;min-height:200px}
  .ds-stat-icon{width:32px;height:32px}
  .ds-stat-icon svg{width:16px;height:16px}
}