/* SMARTPHONES 4U LTD - Electric Emerald & Pure Obsidian Theme */
:root {
  --primary-obsidian: #0f172a;
  --secondary-slate: #1e293b;
  --emerald-main: #059669;
  --emerald-light: #10b981;
  --emerald-bg: #ecfdf5;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --border-color: #cbd5e1;
  --bg-light: #f8fafc;
  --card-bg: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
body { background: var(--bg-light); color: var(--text-dark); line-height: 1.5; font-size: 14px; }

header { background: var(--primary-obsidian); color: #ffffff; padding: 22px 30px; border-bottom: 4px solid var(--emerald-main); }
.header-container { max-width: 1240px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.brand h1 { font-size: 24px; font-weight: 800; letter-spacing: 0.5px; }
.brand p { color: var(--emerald-light); font-size: 13px; font-weight: 600; margin-top: 2px; }
nav a { color: #ffffff; text-decoration: none; margin-left: 20px; font-weight: 600; font-size: 13px; padding: 7px 14px; border-radius: 4px; border: 1px solid transparent; }
nav a:hover, nav a.active { background: var(--secondary-slate); border-color: var(--emerald-main); color: #6ee7b7; }

.container { max-width: 1240px; margin: 25px auto; padding: 0 20px; }

/* Dashboard Hero Summary */
.hero-dashboard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 25px; }
.metric-box { background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 6px; padding: 16px; border-top: 4px solid var(--emerald-main); }
.metric-box .title { font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700; margin-bottom: 5px; }
.metric-box .number { font-size: 16px; font-weight: 800; color: var(--primary-obsidian); }
.metric-box .sub { font-size: 12px; color: var(--emerald-main); font-weight: 700; margin-top: 4px; }

/* Content Section Panel */
.section-panel { background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 6px; margin-bottom: 25px; overflow: hidden; }
.panel-bar { background: var(--secondary-slate); color: #ffffff; padding: 14px 20px; font-size: 15px; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.panel-bar .pill { background: var(--emerald-main); color: #ffffff; font-size: 11px; padding: 4px 10px; border-radius: 4px; font-weight: 700; }
.panel-content { padding: 20px; }

/* Tables */
table.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; }
table.data-table th { background: #f1f5f9; color: var(--primary-obsidian); font-weight: 700; padding: 12px 14px; border: 1px solid var(--border-color); }
table.data-table td { padding: 11px 14px; border: 1px solid var(--border-color); }
table.data-table tr:nth-child(even) { background: #f8fafc; }
table.data-table tr:hover { background: #f0fdf4; }

.tag { display: inline-block; padding: 3px 8px; border-radius: 3px; font-size: 11px; font-weight: 700; }
.tag-pass { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.tag-stock { background: #e0f2fe; color: #0369a1; border: 1px solid #7dd3fc; }

footer { background: var(--primary-obsidian); color: #94a3b8; padding: 25px 20px; text-align: center; font-size: 13px; border-top: 4px solid var(--emerald-main); margin-top: 40px; }
footer a { color: #6ee7b7; text-decoration: none; }