:root {
    --dark:        #0d0d0d;
    --dark-mid:    #1a1a1a;
    --light:       #f4f2ee;
    --light-tint:  #faf7f2;
    --light-mid:   #e8e4de;
    --accent:      #e8620a;
    --accent-dark: #c0500a;
    --text-dark:   #1c1e21;
    --text-muted:  #65676b;
    --success:     #2e7d32;
    --error:       #c62828;
    --warning-bg:  #fff3e0;
    --warning-border: #e8620a;
    --font-display: 'Bebas Neue', sans-serif;
    --font-cond:    'Barlow Condensed', sans-serif;
    --font-body:    'Barlow', sans-serif;
    --font-mono:    "Courier New", Consolas, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background: var(--light);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-dark);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* =============================================
   BACK LINK
============================================= */
.back-link {
    max-width: 1000px;
    margin: 0 auto 12px;
    display: block;
}

.back-link a {
    font-family: var(--font-cond);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--dark);
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.back-link a:hover { color: var(--accent); }

.back-link a::before {
    content: '←';
    transition: transform 0.2s;
}

.back-link a:hover::before { transform: translateX(-3px); }

/* =============================================
   CONTAINER / CARD
============================================= */
.container {
    max-width: 1000px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* =============================================
   HEADER
============================================= */
.header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 100%);
    color: white;
    padding: 28px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
}

.header-eyebrow {
    font-family: var(--font-cond);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.header h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.header p {
    font-family: var(--font-cond);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    opacity: 0.85;
}

/* =============================================
   COMPATIBILITY WARNING
   Deliberately louder and visually distinct from
   the instructions box below it. Orange border on
   all sides (not just left), warning-tinted
   background, larger icon, sits first so nobody
   on an unsupported browser scrolls past it.
============================================= */
.compat-warning {
    background: var(--warning-bg);
    border: 2px solid var(--warning-border);
    padding: 18px 20px;
    margin: 18px 20px 0;
    border-radius: 8px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.compat-warning-icon {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
}

.compat-warning-text h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.compat-warning-text p {
    font-size: 13.5px;
    line-height: 1.55;
    color: #444;
    margin-bottom: 8px;
}

.compat-warning-text p:last-child { margin-bottom: 0; }

.browser-pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.browser-pill {
    font-family: var(--font-cond);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 4px;
}

.browser-pill.supported {
    background: rgba(46, 125, 50, 0.1);
    border: 1px solid rgba(46, 125, 50, 0.4);
    color: var(--success);
}

.browser-pill.unsupported {
    background: rgba(198, 40, 40, 0.08);
    border: 1px solid rgba(198, 40, 40, 0.3);
    color: var(--error);
}

/* When the active browser is unsupported, app.js
   adds this modifier class so the whole box reads
   even more urgently than the default state. */
.compat-warning.compat-blocking {
    background: #fdecea;
    border-color: var(--error);
}

.compat-warning.compat-blocking .compat-warning-text h2 {
    color: var(--error);
}

/* =============================================
   INSTRUCTIONS
============================================= */
.instructions {
    background: var(--light-tint);
    border-left: 4px solid var(--accent);
    padding: 15px 20px;
    margin: 18px 20px;
    border-radius: 0 8px 8px 0;
}

.instructions h2 {
    font-family: var(--font-cond);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: var(--accent);
}

.instructions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px 25px;
    font-size: 13px;
    color: #444;
}

.step {
    display: flex;
    gap: 8px;
    line-height: 1.4;
}

.step-num {
    font-family: var(--font-display);
    font-weight: 400;
    color: var(--accent);
    flex-shrink: 0;
}

/* =============================================
   PRIVACY / NECESSITY NOTE
   Same visual language as .instructions but with
   a neutral dark-icon accent instead of orange,
   so it reads as "important context" rather than
   "numbered steps".
============================================= */
.privacy-note {
    background: var(--light-tint);
    border-left: 4px solid var(--dark);
    padding: 15px 20px;
    margin: 0 20px 18px;
    border-radius: 0 8px 8px 0;
}

.privacy-note h2 {
    font-family: var(--font-cond);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: var(--dark);
}

.privacy-note p {
    font-size: 13px;
    line-height: 1.6;
    color: #444;
    margin-bottom: 8px;
}

.privacy-note p:last-child { margin-bottom: 0; }

/* =============================================
   FUNCTIONAL PANELS
   The tool's actual working area: file picker,
   filters, message list, export controls. Kept
   inside the same card, using the same panel
   language as the rest of the site's tools.
============================================= */
.tool-body {
    padding: 0 20px 20px;
}

.tool-step {
    margin-bottom: 22px;
}

.tool-step:last-child { margin-bottom: 0; }

.tool-step-header {
    font-family: var(--font-cond);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 10px;
}

.tool-step-help {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.5;
}

.btn {
    font-family: var(--font-cond);
    padding: 11px 26px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--dark);
    color: white;
}

.btn-primary:hover:not(:disabled) { background: var(--accent); }

.btn-primary:disabled {
    background: #bcc0c4;
    cursor: not-allowed;
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.file-info {
    margin-top: 12px;
    display: flex;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-muted);
}

.progress-row {
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-track {
    flex: 1;
    height: 6px;
    background: var(--light-mid);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.2s ease;
}

#parseProgressLabel,
#exportProgressLabel {
    font-family: var(--font-cond);
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--light-mid);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    font-family: var(--font-cond);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.filter-group input[type="text"],
.filter-group select {
    font-family: var(--font-body);
    font-size: 13.5px;
    padding: 8px 10px;
    border: 2px solid #dddfe2;
    border-radius: 6px;
    background: #fff;
    color: var(--text-dark);
    transition: border-color 0.2s ease;
}

.filter-group input[type="text"]:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--dark);
}

.filter-group-checkbox {
    justify-content: flex-end;
    flex: 0 0 auto;
}

.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    font-weight: normal;
    text-transform: none;
    letter-spacing: normal;
    color: var(--text-dark);
    cursor: pointer;
}

.list-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
}

.selection-count {
    font-family: var(--font-cond);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-count {
    font-family: var(--font-cond);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.message-list-wrapper {
    border: 2px solid #dddfe2;
    border-radius: 8px;
    max-height: 440px;
    overflow-y: auto;
}

.message-list {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.message-list thead th {
    position: sticky;
    top: 0;
    background: var(--light-tint);
    border-bottom: 1px solid var(--light-mid);
    text-align: left;
    padding: 8px 10px;
    font-family: var(--font-cond);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.message-list tbody tr { border-bottom: 1px solid var(--light-mid); }
.message-list tbody tr:last-child { border-bottom: none; }
.message-list tbody tr:hover { background: rgba(232, 98, 10, 0.05); }

.message-list td {
    padding: 7px 10px;
    vertical-align: middle;
}

.col-check, .col-attach { width: 34px; }

.col-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.col-sender {
    color: #666;
    font-size: 13px;
    max-width: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-flag {
    color: var(--accent);
    font-size: 0.85rem;
}

.export-options { margin-bottom: 14px; }

.option-label {
    display: block;
    font-family: var(--font-cond);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.option-group .radio-label { margin-bottom: 6px; }

.export-complete {
    margin-top: 12px;
    padding: 10px 14px;
    background: #e6ffed;
    border: 1px solid var(--success);
    border-radius: 6px;
    color: var(--success);
    font-size: 13.5px;
}

.export-complete p { margin: 0; }

/* =============================================
   BUTTON ROW (Buy Me a Coffee placement context)
============================================= */
.coffee-row {
    text-align: center;
    margin-top: 15px;
}

@media (max-width: 768px) {
    .header h1 { font-size: 1.6rem; }
    .filter-row { flex-direction: column; }
    .col-sender { max-width: 110px; }
    .instructions-grid { grid-template-columns: 1fr; }
}