/* ========== Tokens ========== */
:root{
  --bg:#f5f7fb; --surface:#fff; --text:#1f2937; --muted:#6b7280; --border:#e5e7eb;
  --primary:#4CAF50; --primary-600:#3e8e41; --blue:#008CBA; --blue-600:#007bb5;
  --orange:#ff9800; --orange-600:#e08800; --red:#f44336; --red-600:#e53935;
  --violet:#6c63ff; --violet-600:#5a53e6; --shadow:0 6px 18px rgba(0,0,0,.06);
  --radius:10px;
}

/* ========== Base ========== */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Arial;
  color:var(--text);
  background:var(--bg);
  line-height:1.45;
  font-size:15px
}
svg{display:block} /* avoid baseline gaps */

/* ========== Header ========== */
header{position:relative;background:var(--primary);color:#fff;padding:14px 16px;text-align:center;box-shadow:var(--shadow)}
header h1{margin:0;font-weight:700;font-size:20px}
.logout-button{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:inline-block;
  padding:7px 10px;border-radius:8px;background:var(--red);color:#fff;text-decoration:none;font-size:13px}
.logout-button:hover{background:var(--red-600)}

/* ========== Container & Alerts ========== */
.container{max-width:980px;margin:22px auto;padding:0 16px}
.message{padding:10px 12px;border-radius:8px;margin:0 0 14px 0;font-weight:600;box-shadow:var(--shadow)}
.message.success{background:#eaf7ec;color:#106d1c;border:1px solid #cfead3}
.message.error{background:#fdeaea;color:#9a1a12;border:1px solid #f7c4c1}

/* ========== Add Campaign ========== */
.add-campaign-btn{display:flex;justify-content:flex-end;margin-bottom:10px}
.add-campaign-button{background:var(--primary);color:#fff;text-decoration:none;border:none;border-radius:8px;
  padding:8px 12px;font-size:13px;font-weight:700;box-shadow:var(--shadow)}
.add-campaign-button:hover{background:var(--primary-600)}

/* ========== Table ========== */
.campaigns-table{
  width:100%;
  border-collapse:separate;border-spacing:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow)
}
.campaigns-table th,.campaigns-table td{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:middle;
}
.campaigns-table thead th{
  background:#f8fafc;color:#374151;text-align:left;font-weight:700;font-size:13px
}
.campaigns-table tbody tr:hover{background:#fafbfd}

/* column sizing to avoid full-bleed look */
.campaigns-table td:nth-child(1){width:76px} /* image */
.campaigns-table td:nth-child(2){width:22%}  /* name */
.campaigns-table td:nth-child(3){width:22%}  /* id/date */
.campaigns-table td:nth-child(4){width:26%}  /* text */
.campaigns-table td:nth-child(5){width:15%}  /* phone */
.campaigns-table td:nth-child(6){width:15%}  /* actions */

.thumbnail-image{
  width:56px;height:56px;object-fit:cover;
  border-radius:8px;border:1px solid var(--border);cursor:pointer
}
.muted{color:var(--muted);font-size:12px;margin-top:4px}

/* ========== Inline text + icon (keeps edit/show on the same baseline) ========== */
.text-inline{
  display:inline-flex; align-items:center; gap:8px; flex-wrap:nowrap;
  vertical-align:middle; line-height:0; /* neutralize line-height gaps */
}
.text-inline .preview{
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:220px;
  line-height:1.2; /* readable substring text */
}

/* ========== Row Actions (small icons, perfectly centered) ========== */
.action-icons{
  display:flex; align-items:center; justify-content:flex-start;
  gap:8px; flex-wrap:wrap; line-height:0; /* kill extra line height */
}
.icon-btn{
  display:inline-flex; align-items:center; justify-content:center;
  width:24px; height:24px;                /* <<< SMALLER ICON BUTTON */
  border-radius:6px;
  background:#eef2f7; color:#334155; text-decoration:none;
  box-shadow:var(--shadow);
  transition:opacity .15s ease, transform .06s ease;
  vertical-align:middle;
}
.icon-btn svg{ width:14px; height:14px }   /* <<< SMALLER ICON SVG */
.icon-btn:hover{ opacity:.9 }
.icon-btn:active{ transform:translateY(1px) }

.icon-send{background:var(--blue);color:#fff}
.icon-delete{background:var(--red);color:#fff}
.icon-edit{background:var(--violet);color:#fff}
.icon-show{background:var(--orange);color:#fff}
.icon-process{background:var(--red);color:#fff}
.icon-process.processed{background:#388e3c;color:#fff}

/* give actions cell enough space */
.campaigns-table td:last-child{min-width:190px}

/* ========== Image Popup ========== */
.image-popup{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1000;padding:24px}
.image-popup .popup-content{background:#111827;color:#fff;width:min(92vw,980px);max-height:92vh;margin:0 auto;
  border-radius:12px;padding:16px;overflow:auto;box-shadow:var(--shadow);position:relative}
.image-popup img{display:block;max-width:100%;max-height:80vh;margin:0 auto;border-radius:8px}
.image-popup .metadata{text-align:center;color:#e5e7eb;margin-top:10px;font-size:14px}
.close-popup{position:absolute;right:12px;top:12px;background:#374151;color:#fff;border:none;border-radius:8px;
  padding:6px 10px;font-size:12px;cursor:pointer}
.close-popup:hover{background:#4b5563}

/* ========== Upload Form (two-column) ========== */
.upload-form{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow)
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.form-row{display:flex;flex-direction:column;gap:6px}
.form-row label{font-weight:700;font-size:13px}
.form-row input[type="text"],
.form-row input[type="date"],
.form-row input[type="password"],
.form-row input[type="file"],
textarea{
  width:100%;max-width:420px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:14px;outline:none
}
textarea{min-height:220px;resize:vertical;max-width:100%}
.file-hint{color:var(--muted);font-size:12px;margin-top:2px}
.button-group{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.submit-button{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:9px 12px;font-size:14px;font-weight:700;box-shadow:var(--shadow);cursor:pointer}
.submit-button:hover{background:var(--primary-600)}
.cancel-button{display:inline-block;background:var(--red);color:#fff;text-decoration:none;padding:9px 12px;border-radius:8px;font-size:14px;box-shadow:var(--shadow)}
.cancel-button:hover{background:var(--red-600)}

/* ========== Responsive ========== */
@media (max-width:900px){
  .campaigns-table td:nth-child(2),.campaigns-table td:nth-child(3),
  .campaigns-table td:nth-child(4),.campaigns-table td:nth-child(5),.campaigns-table td:nth-child(6){width:auto}
  .campaigns-table td:last-child{min-width:180px}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .thumbnail-image{width:52px;height:52px}
  .icon-btn{width:22px;height:22px}
  .icon-btn svg{width:13px;height:13px}
}