* { box-sizing: border-box; }
body { margin: 0; font-family: "Noto Sans Tamil", "Noto Sans", Arial, sans-serif; background: #f3f5f8; color: #1d2733; }
header { display: flex; gap: 12px; align-items: center; padding: 10px 16px; background: #0b5394; color: #fff; }
header #who { flex: 1; font-size: 14px; opacity: .9; }
main { max-width: 900px; margin: 0 auto; padding: 12px; }
.card { background: #fff; border-radius: 10px; padding: 14px 16px; margin-bottom: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
h2 { font-size: 17px; margin: 0 0 10px; }
label { display: block; margin: 8px 0; font-size: 14px; }
input, select { width: 100%; padding: 9px; font-size: 16px; border: 1px solid #b8c2cc; border-radius: 6px; }
input[type=checkbox] { width: auto; }
button { padding: 9px 14px; font-size: 15px; border: 0; border-radius: 6px; background: #0b5394; color: #fff; cursor: pointer; margin: 4px 4px 4px 0; }
button:disabled { background: #9aaabb; }
button.link { background: transparent; color: #fff; text-decoration: underline; }
button.ghost { background: #e8eef5; color: #0b5394; }
.row { display: flex; flex-wrap: wrap; }
.hidden { display: none !important; }
.hint { color: #5b6b7b; font-size: 13px; }
.msg { min-height: 1.2em; font-size: 14px; white-space: pre-line; }
.msg.err { color: #b00020; }
.drop { border: 2px dashed #8aa4c0; border-radius: 8px; padding: 22px; text-align: center; margin: 10px 0; cursor: pointer; color: #3d5a78; }
.drop.over { background: #e8f0fb; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
td { padding: 7px 4px; border-bottom: 1px solid #e3e8ee; vertical-align: top; }
.st-delivered { color: #137333; } .st-failed { color: #b00020; } .st-queued, .st-processing { color: #8a6d00; }
pre { white-space: pre-wrap; font-family: inherit; }