/* ChatSpy — educational demo styles. Messenger-style UI, ChatSpy branding. */
:root {
  --teal: #075e54;
  --teal-dark: #054c44;
  --green: #25d366;
  --green-light: #dcf8c6;
  --bg-chat: #0b141a;
  --bg-panel: #111b21;
  --bg-input: #202c33;
  --text: #e9edef;
  --text-dim: #8696a0;
  --bubble-in: #202c33;
  --bubble-out: #005c4b;
  --danger: #f15c6d;
  --warn: #f0b429;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0a0f13;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* Subtle educational tag */
.edu-tag {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: #0a1015; color: var(--text-dim);
  font-size: 10px; text-align: center; padding: 4px 8px;
  border-top: 1px solid #16232b; letter-spacing: .4px; opacity: .75;
}

/* Intro overlay */
.overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(4, 8, 10, .92);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.overlay.hidden { display: none; }
.overlay-card {
  background: var(--bg-panel); border: 1px solid #2a3942; border-radius: 14px;
  max-width: 460px; width: 100%; padding: 26px; text-align: center;
}
.overlay-card h2 { margin: 10px 0 6px; }
.overlay-card p { color: var(--text-dim); font-size: 14px; line-height: 1.5; }
.overlay-card .warn-box {
  background: #2a2200; border: 1px solid #574400; color: var(--warn);
  border-radius: 10px; padding: 12px; font-size: 13px; margin: 16px 0; text-align: left;
}

/* Fake "intercepting chats" loader */
.loader-overlay { flex-direction: column; }
.loader-card {
  background: var(--bg-panel); border: 1px solid #2a3942; border-radius: 16px;
  max-width: 420px; width: 100%; padding: 26px 22px; text-align: center;
}
.loader-card h2 { margin: 16px 0 4px; font-size: 20px; }
.loader-count { color: var(--text-dim); font-size: 13px; }
.loader-count #loaderNum { color: var(--green); font-weight: 700; font-size: 15px; }
.scan-ring {
  width: 64px; height: 64px; margin: 0 auto; border-radius: 50%;
  border: 3px solid #1f4038; border-top-color: var(--green);
  position: relative; animation: scan-spin .9s linear infinite;
}
.scan-dot {
  position: absolute; top: -6px; left: 50%; width: 10px; height: 10px; margin-left: -5px;
  border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green);
}
@keyframes scan-spin { to { transform: rotate(360deg); } }
.loader-feed {
  height: 132px; margin: 16px 0 6px; overflow: hidden; text-align: left;
  border-top: 1px solid #16232b; border-bottom: 1px solid #16232b;
  -webkit-mask-image: linear-gradient(transparent, #000 22%, #000 78%, transparent);
  mask-image: linear-gradient(transparent, #000 22%, #000 78%, transparent);
}
.loader-feed .frow {
  display: flex; align-items: center; gap: 10px; padding: 7px 2px;
  animation: feed-in .28s ease; font-size: 13px;
}
.loader-feed .fav {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 11px; font-weight: 600;
}
.loader-feed .fmeta { flex: 1; min-width: 0; }
.loader-feed .fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.loader-feed .fnum { font-size: 11px; color: var(--text-dim); }
.loader-feed .ftick { color: var(--green); font-size: 12px; flex-shrink: 0; }
@keyframes feed-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.loader-bar { height: 5px; border-radius: 3px; background: #16232b; overflow: hidden; margin: 8px 0 2px; }
.loader-bar span { display: block; height: 100%; width: 0; background: var(--green); transition: width .2s linear; }

/* App shell */
.app { max-width: 480px; margin: 0 auto; min-height: 100vh; background: var(--bg-chat);
  display: flex; flex-direction: column; padding-bottom: 34px; }

/* Top bar */
.topbar {
  background: var(--teal); color: #fff; padding: 14px 16px;
  display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 10;
}
.topbar img { width: 30px; height: 30px; border-radius: 8px; }
.topbar .title { font-weight: 600; font-size: 18px; flex: 1; }
.topbar .sub { font-size: 12px; opacity: .85; font-weight: 400; }
.topbar button.link {
  background: transparent; border: 1px solid rgba(255,255,255,.4); color: #fff;
  border-radius: 8px; padding: 6px 10px; font-size: 12px; cursor: pointer;
}
.back-btn { background: transparent; border: none; color: #fff; font-size: 22px; cursor: pointer; padding: 0 4px 0 0; }

/* Screens */
.screen { display: none; flex: 1; flex-direction: column; }
.screen.active { display: flex; }
.pad { padding: 20px 18px; }

/* Landing / install */
.hero { text-align: center; padding: 40px 22px 10px; }
.hero img { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 8px 30px rgba(0,0,0,.5); }
.hero h1 { margin: 18px 0 4px; font-size: 28px; }
.hero .tag { color: var(--green); font-weight: 600; font-size: 15px; }
.hero p { color: var(--text-dim); font-size: 14px; line-height: 1.55; max-width: 340px; margin: 12px auto; }
.features { list-style: none; padding: 0; margin: 8px auto 0; max-width: 320px; }
.features li { display: flex; gap: 10px; align-items: center; padding: 9px 0; color: var(--text); font-size: 14px; border-bottom: 1px solid #16232b; }
.features li span.ic { font-size: 18px; }

/* Buttons */
.btn {
  display: block; width: 100%; border: none; border-radius: 10px;
  padding: 14px; font-size: 15px; font-weight: 600; cursor: pointer; margin-top: 12px;
}
.btn-primary { background: var(--green); color: #04231a; }
.btn-primary:hover { background: #1fc45c; }
.btn-ghost { background: transparent; color: var(--green); border: 1px solid #1f4038; }
.btn-danger { background: var(--danger); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }

/* Forms */
label.field { display: block; margin: 14px 0 0; font-size: 13px; color: var(--text-dim); }
label.field input, label.field select {
  width: 100%; margin-top: 6px; padding: 12px; border-radius: 9px;
  background: var(--bg-input); border: 1px solid #2a3942; color: var(--text); font-size: 15px;
}
.form-note { font-size: 12px; color: var(--text-dim); margin-top: 14px; line-height: 1.5; }

/* Contact list */
.list { list-style: none; margin: 0; padding: 0; }
.contact {
  display: flex; align-items: center; gap: 13px; padding: 12px 16px;
  border-bottom: 1px solid #16232b; cursor: pointer;
}
.contact:hover { background: #0f1c23; }
.avatar {
  width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: #fff; font-size: 17px;
}
.contact .meta { flex: 1; min-width: 0; }
.contact .name { font-size: 16px; }
.contact .num { font-size: 12px; color: var(--text-dim); }
.contact .spy-btn {
  background: var(--danger); color: #fff; border: none; border-radius: 20px;
  padding: 7px 14px; font-size: 12px; font-weight: 600; cursor: pointer; flex-shrink: 0;
}
/* chat-list preview row */
.contact .top-line { display: flex; align-items: baseline; gap: 8px; }
.contact .top-line .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact .top-line .stamp { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }
.contact .preview { font-size: 13px; color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.contact .unread {
  background: var(--green); color: #04231a; border-radius: 11px; min-width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; padding: 0 6px;
}
/* Per-chat loading row (1% → 100%) */
.contact.loading { cursor: default; }
.contact.loading .avatar { opacity: .55; animation: row-pulse 1.1s ease-in-out infinite; }
.load-line { display: flex; align-items: center; gap: 9px; margin-top: 6px; }
.load-bar { flex: 1; height: 4px; background: #16232b; border-radius: 3px; overflow: hidden; }
.load-bar span { display: block; height: 100%; width: 1%; background: var(--green); border-radius: 3px; }
.load-pct { font-size: 11px; color: var(--text-dim); min-width: 34px; text-align: right; font-variant-numeric: tabular-nums; }
@keyframes row-pulse { 0%,100% { opacity: .4; } 50% { opacity: .75; } }

.section-head { padding: 12px 16px 6px; color: var(--green); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.behalf-entry { padding: 16px 16px 4px; display: flex; flex-direction: column; gap: 4px; border-bottom: 1px solid #16232b; }

/* Chat viewer */
.chat-wrap { flex: 1; display: flex; flex-direction: column; }
.chat-header { background: var(--teal); color: #fff; padding: 10px 14px; display: flex; align-items: center; gap: 12px; }
.chat-header .avatar { width: 40px; height: 40px; font-size: 15px; }
.chat-header .name { font-size: 16px; font-weight: 600; }
.chat-header .status { font-size: 11px; opacity: .85; }
.messages {
  flex: 1; overflow-y: auto; padding: 16px 12px; display: flex; flex-direction: column; gap: 6px;
  background-color: var(--bg-chat);
  background-image: radial-gradient(circle at 20% 30%, #10202880 0 2px, transparent 2px);
  background-size: 26px 26px;
}
.msg { max-width: 78%; padding: 7px 11px; border-radius: 9px; font-size: 14px; line-height: 1.35; position: relative; }
.msg .time { display: block; font-size: 10px; color: var(--text-dim); text-align: right; margin-top: 3px; }
.msg.in { align-self: flex-start; background: var(--bubble-in); border-top-left-radius: 2px; }
.msg.out { align-self: flex-end; background: var(--bubble-out); border-top-right-radius: 2px; }
.day-sep { align-self: center; background: #182229; color: var(--text-dim); font-size: 11px; padding: 4px 10px; border-radius: 8px; margin: 6px 0; }
.chat-input { display: flex; gap: 8px; padding: 10px; background: var(--bg-panel); }
.chat-input input { flex: 1; padding: 11px 14px; border-radius: 22px; border: none; background: var(--bg-input); color: var(--text); }
.chat-input button { background: var(--green); border: none; border-radius: 50%; width: 44px; height: 44px; color: #04231a; font-size: 18px; cursor: pointer; }

/* Modal (payment) */
.modal-back { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: none; align-items: center; justify-content: center; z-index: 500; padding: 18px; }
.modal-back.show { display: flex; }
.modal { background: var(--bg-panel); border-radius: 14px; max-width: 400px; width: 100%; overflow: hidden; border: 1px solid #2a3942; }
.modal .m-head { padding: 16px 18px; border-bottom: 1px solid #2a3942; display: flex; align-items: center; gap: 10px; }
.modal .m-head .lock { color: var(--green); font-size: 18px; }
.modal .m-body { padding: 18px; }
.modal .m-body p { color: var(--text-dim); font-size: 13px; margin: 0 0 10px; line-height: 1.5; }
.price { font-size: 26px; font-weight: 700; color: #fff; margin: 6px 0 2px; }
.price small { font-size: 13px; color: var(--text-dim); font-weight: 400; }
.pay-methods { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.pay-btn { display: flex; align-items: center; gap: 12px; padding: 13px; border-radius: 10px; border: 1px solid #2a3942; background: var(--bg-input); color: var(--text); cursor: pointer; font-size: 15px; }
.pay-btn .pm-ic { width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; }
.pay-btn:hover { border-color: var(--green); }
.pm-mpesa { background: #43b02a; color: #fff; }
.pm-card { background: #1a1f71; color: #fff; }
.status-msg { margin-top: 14px; padding: 12px; border-radius: 9px; font-size: 13px; display: none; }
.status-msg.show { display: block; }
.status-msg.err { background: #3a1418; color: var(--danger); border: 1px solid #5c1f26; }
.card-fields { margin-top: 12px; display: none; }
.card-fields.show { display: block; }
.close-x { margin-left: auto; background: transparent; border: none; color: var(--text-dim); font-size: 22px; cursor: pointer; }

/* Admin panel */
.admin-body { max-width: 1000px; margin: 0 auto; padding: 20px 18px 60px; }
.admin-top { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.admin-top img { width: 38px; height: 38px; border-radius: 9px; }
.admin-top h1 { font-size: 20px; margin: 0; }
.admin-top .sub { color: var(--text-dim); font-size: 13px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat { background: var(--bg-panel); border: 1px solid #22303a; border-radius: 12px; padding: 16px 18px; }
.stat .k { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.stat .v { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat .v.green { color: var(--green); }
.panel { background: var(--bg-panel); border: 1px solid #22303a; border-radius: 12px; overflow: hidden; }
.panel h2 { font-size: 15px; margin: 0; padding: 14px 18px; border-bottom: 1px solid #22303a; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 18px; font-size: 13px; border-bottom: 1px solid #182229; }
th { color: var(--text-dim); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: .5px; }
td.amt { font-weight: 600; color: var(--green); white-space: nowrap; }
.pill { display: inline-block; padding: 3px 9px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.pill.paid { background: #0f3b2e; color: var(--green); }
.pill.mpesa { background: #14361a; color: #4ade80; }
.pill.card { background: #1a1f3a; color: #93a4ff; }
.table-scroll { overflow-x: auto; }
.admin-banner { background: #2a2200; border: 1px solid #574400; color: var(--warn); border-radius: 10px; padding: 12px 14px; font-size: 13px; margin-bottom: 20px; }

.muted { color: var(--text-dim); }
.center { text-align: center; }
a.plain { color: var(--green); text-decoration: none; }