:root {
    --accent: #f81678;
    --accent-2: #ff6db0;
    --bg: #0d0d0f;
    --bg-card: #17171b;
    --border: #26262c;
    --text: #f2f2f4;
    --text-dim: #9a9aa3;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

/* Topbar */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    background: #000; border-bottom: 1px solid var(--border);
    padding: 12px 24px; position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 800; font-size: 18px; }
.brand span, .auth-logo span { color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.mailbox { color: var(--text-dim); font-size: 13px; }

/* Buttons */
.btn {
    display: inline-block; background: var(--accent); color: #fff;
    border: none; border-radius: 8px; padding: 10px 20px;
    font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn:hover { background: #ff3d92; color: #fff; }
.btn-small { padding: 6px 12px; font-size: 13px; border-radius: 6px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text-dim); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); background: transparent; }

/* Layout */
.container { max-width: 900px; margin: 28px auto; padding: 0 20px; }
.inbox-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.inbox-head h1 { font-size: 22px; }
.count { color: var(--text-dim); font-size: 13px; }
.empty { color: var(--text-dim); text-align: center; padding: 60px 0; }
.flash {
    background: #12371f; border: 1px solid #1f6b3a; color: #7ce8a0;
    border-radius: 8px; padding: 10px 16px; margin-bottom: 16px; font-size: 14px;
}
.flash-err { background: #3a1212; border-color: #6b1f1f; color: #e87c7c; }

/* Folder tabs */
.folder-tabs { display: flex; gap: 6px; }
.folder-tab {
    padding: 6px 16px; border-radius: 999px; font-size: 14px; font-weight: 600;
    color: var(--text-dim); border: 1px solid var(--border);
}
.folder-tab:hover { border-color: var(--accent); color: var(--text); }
.folder-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Message list */
.msg-list { display: flex; flex-direction: column; gap: 8px; }
.msg-row {
    display: grid; grid-template-columns: 220px 1fr 160px; gap: 12px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
    padding: 12px 16px; color: var(--text); align-items: center;
}
.msg-row:hover { border-color: var(--accent); }
.msg-from { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg-subj { color: var(--text-dim); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg-date { color: var(--text-dim); font-size: 12px; text-align: right; }

/* Message view */
.msg-view { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.msg-title { font-size: 20px; margin-bottom: 12px; }
.msg-meta { color: var(--text-dim); font-size: 13px; line-height: 1.7; border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 18px; }
.msg-meta strong { color: var(--text); }
.msg-attach { margin-bottom: 16px; font-size: 14px; }
.msg-body { line-height: 1.7; font-size: 15px; word-wrap: break-word; }
.msg-body img { max-width: 100%; }

/* Compose */
.compose-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; max-width: 720px; }
.compose-card h1 { font-size: 20px; margin-bottom: 18px; }
.compose-card label { display: block; font-size: 13px; color: var(--text-dim); margin: 14px 0 6px; }
.compose-card input, .compose-card textarea {
    width: 100%; background: var(--bg); border: 1px solid var(--border);
    border-radius: 8px; padding: 10px 12px; color: var(--text); font-size: 14px;
    font-family: inherit;
}
.compose-card input:focus, .compose-card textarea:focus { outline: none; border-color: var(--accent); }
.compose-card textarea { resize: vertical; }
.compose-card .btn { margin-top: 18px; }

/* Auth */
.auth-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.auth-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 14px; padding: 32px; width: 100%; max-width: 360px;
}
.auth-logo { font-size: 20px; font-weight: 800; margin-bottom: 22px; text-align: center; }
.auth-card label { display: block; font-size: 13px; color: var(--text-dim); margin: 12px 0 6px; }
.auth-card input {
    width: 100%; background: var(--bg); border: 1px solid var(--border);
    border-radius: 8px; padding: 10px 12px; color: var(--text); font-size: 14px;
}
.auth-card input:focus { outline: none; border-color: var(--accent); }
.auth-card .btn { width: 100%; margin-top: 18px; }
.auth-error { background: #3a1212; border: 1px solid #6b1f1f; color: #e87c7c; border-radius: 8px; padding: 8px 12px; margin-bottom: 12px; font-size: 13px; text-align: center; }
.auth-hint { color: var(--text-dim); font-size: 12px; text-align: center; margin-top: 16px; }