:root {
    --c-bg: #f7f8fa;
    --c-fg: #1f2330;
    --c-muted: #6b7280;
    --c-border: #e3e6ec;
    --c-card: #ffffff;
    --c-primary: #2756ff;
    --c-primary-dark: #1f43c8;
    --c-danger: #d3362d;
    --c-success: #15803d;
    --c-warning: #b8801a;
    --radius: 8px;
    --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--c-bg);
    color: var(--c-fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef0f4; padding: 2px 5px; border-radius: 4px; font-size: 0.9em; }

.topbar {
    display: flex; justify-content: space-between; align-items: center;
    background: #fff; border-bottom: 1px solid var(--c-border);
    padding: 12px 24px;
}
.topbar .brand a { color: var(--c-fg); font-weight: 600; text-decoration: none; }
.topbar nav a { margin-left: 20px; color: var(--c-muted); }
.topbar nav a:hover { color: var(--c-fg); }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

.header-row {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px;
}
h1 { font-size: 22px; margin: 0; }

.flash {
    padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px;
    border: 1px solid;
}
.flash-success { background: #effaf2; border-color: #b6e3c4; color: #15803d; }
.flash-error   { background: #fdf1f1; border-color: #f1c4c1; color: #b9251d; }
.flash-warning { background: #fff8e1; border-color: #f0d77a; color: #8a5a00; }

.card { background: var(--c-card); padding: 28px; border-radius: var(--radius); box-shadow: var(--shadow); }
.login { max-width: 380px; margin: 60px auto; }
.login h1 { margin-bottom: 20px; }

label { display: block; margin-bottom: 16px; font-weight: 500; font-size: 13px; color: var(--c-muted); }
input[type=text], input[type=email], input[type=password], textarea {
    width: 100%; padding: 9px 12px; margin-top: 6px;
    border: 1px solid var(--c-border); border-radius: 6px;
    font: inherit; color: var(--c-fg); background: #fff;
}
input:focus, textarea:focus { outline: 2px solid var(--c-primary); outline-offset: -1px; border-color: var(--c-primary); }
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; resize: vertical; }
input[readonly], textarea[readonly] { background: #f5f6f9; color: var(--c-muted); }

.btn {
    display: inline-block; padding: 8px 16px;
    border: 1px solid var(--c-border); border-radius: 6px;
    background: #fff; color: var(--c-fg); font: inherit; cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: #f3f4f8; text-decoration: none; }
.btn-primary { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); }
.btn-danger { background: var(--c-danger); border-color: var(--c-danger); color: #fff; }
.btn-danger:hover { background: #b1281f; border-color: #b1281f; }
.btn-link { border: none; padding: 4px 0; background: transparent; color: var(--c-primary); }

.bulk-form { margin-bottom: 16px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.inline-check { display: inline-flex; align-items: center; gap: 6px; margin: 0; font-weight: 400; color: var(--c-fg); font-size: 14px; }
.inline-check input { margin: 0; width: auto; }
.row-dup td { background: #fffbf0; }
.opened { color: var(--c-success); font-weight: 500; }

/* Outcome badges */
.outcome { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.outcome-no_reply       { background: #f1f3f7; color: #4b5563; }
.outcome-replied        { background: #e0eaff; color: #1f43c8; }
.outcome-interested     { background: #d9f1e3; color: #15803d; }
.outcome-meeting        { background: #cce6ff; color: #1158aa; }
.outcome-won            { background: #15803d; color: #fff; }
.outcome-not_interested { background: #f1f3f7; color: #6b7280; text-decoration: line-through; }
.outcome-bounced        { background: #fdecea; color: #b9251d; }

/* Follow-up */
.followup-overdue { color: var(--c-danger); font-weight: 600; }
.followup-today   { color: var(--c-warning); font-weight: 600; }
.followup-future  { color: var(--c-muted); }

/* Follow-up section on preview */
.followup-section {
    margin-top: 28px; padding: 24px;
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
}
.followup-section h2 { margin: 0 0 16px; font-size: 18px; }
.followup-section h3 { margin: 24px 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--c-muted); font-weight: 600; }

.followup-form .form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.followup-form .form-row label { flex: 1; min-width: 180px; margin-bottom: 0; }
.followup-form select,
.followup-form input[type=date] { width: 100%; padding: 9px 12px; margin-top: 6px; border: 1px solid var(--c-border); border-radius: 6px; font: inherit; background: #fff; }
.followup-form button { white-space: nowrap; }

.note-form { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.note-form textarea { resize: vertical; }
.note-form button { align-self: flex-start; }

.notes-list { list-style: none; padding: 0; margin: 0; }
.notes-list li {
    padding: 12px 14px; margin-bottom: 8px;
    background: #fafbfd; border-left: 3px solid var(--c-primary);
    border-radius: 4px;
}
.note-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--c-muted); margin-bottom: 4px; }
.note-body { white-space: pre-wrap; }
.btn-icon { background: transparent; border: none; color: var(--c-muted); font-size: 16px; cursor: pointer; padding: 0 6px; }
.btn-icon:hover { color: var(--c-danger); }
.btn-icon-danger { color: #b9251d; }
.btn-icon-danger:hover { background: #fdecea; border-radius: 4px; }

/* Upload section */
.upload-section {
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
    margin-bottom: 20px;
}
.upload-section > summary {
    padding: 14px 20px; cursor: pointer; font-weight: 500; user-select: none;
    list-style: none;
}
.upload-section > summary::-webkit-details-marker { display: none; }
.upload-section[open] > summary {
    border-bottom: 1px solid var(--c-border);
}
.upload-form {
    padding: 20px; display: flex; flex-direction: column; gap: 14px;
}
.upload-drop {
    display: flex; flex-direction: column; gap: 6px;
    padding: 24px; border: 2px dashed var(--c-border); border-radius: var(--radius);
    background: #fafbfd; cursor: pointer; margin: 0;
    color: var(--c-fg); font-weight: 500;
}
.upload-drop:hover { border-color: var(--c-primary); background: #f4f7ff; }
.upload-drop input[type=file] { width: 100%; margin-top: 0; padding: 0; border: 0; background: transparent; }
.upload-drop small { color: var(--c-muted); font-weight: 400; font-size: 12px; }
.upload-form button { align-self: flex-start; }

.mail-list {
    width: 100%; border-collapse: collapse;
    background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
    overflow: hidden;
}
.mail-list th, .mail-list td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--c-border); }
.mail-list th { background: #f9fafc; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--c-muted); font-weight: 600; }
.mail-list tr:last-child td { border-bottom: none; }
.mail-list .actions { text-align: right; }
.error-row td { background: #fdf1f1; color: #b9251d; padding: 6px 14px; }

.badge {
    display: inline-block; padding: 3px 10px; border-radius: 999px;
    font-size: 12px; font-weight: 500; line-height: 1.5;
}
.badge-pending  { background: #f1f3f7; color: #4b5563; }
.badge-approved { background: #fff5dc; color: #9a6c0f; }
.badge-sent     { background: #e6f5ec; color: #15803d; }
.badge-failed   { background: #fdecea; color: #b9251d; }
.badge-warning  { background: #fff3cd; color: #8a5a00; margin-left: 6px; }

.stats { display: flex; gap: 8px; }

.empty { background: #fff; padding: 40px; border-radius: var(--radius); text-align: center; color: var(--c-muted); }

.filemeta { color: var(--c-muted); margin-top: -10px; margin-bottom: 20px; }
.mail-form { background: #fff; padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); }
.actions-row { display: flex; gap: 8px; margin-top: 20px; flex-wrap: wrap; align-items: center; }
.muted { color: var(--c-muted); font-size: 13px; }