/* ============================================================
   Mail Reader — Matrix + Gold theme
   Чёрный фон · падающая катакана · золотые рамки с градиентом
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&display=swap');

:root {
  --bg-deep: #000000;
  --bg-soft: #050708;
  --matrix: #00ff41;
  --matrix-dim: rgba(0, 255, 65, 0.55);
  --matrix-faint: rgba(0, 255, 65, 0.15);

  --gold: #d4af37;
  --gold-bright: #ffd700;
  --gold-deep: #b8860b;
  --gold-glow: rgba(255, 215, 0, 0.55);

  --text: #e8e8e8;
  --text-dim: #6b6b6b;
  --text-bright: #ffffff;
  --danger: #ff3850;
  --warning: #ffaa33;
}

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

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* ─── Matrix-rain canvas (фоновый слой, под всем) ─── */
#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

/* ─── CRT-scanlines (тонкие горизонтальные линии поверх всего) ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.18) 3px,
    transparent 4px
  );
  mix-blend-mode: overlay;
}

/* Тонкая вертикальная виньетка по краям */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 998;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.55) 100%);
}

/* ─── Золотые элементы ─── */

.gold-text {
  background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold) 50%, var(--gold-deep) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 18px var(--gold-glow);
}

.gold-border {
  position: relative;
  background: var(--bg-deep);
  border: 1px solid transparent;
  background-clip: padding-box;
}
.gold-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold-bright) 35%, var(--gold) 50%, var(--gold-bright) 65%, var(--gold-deep) 100%);
  filter: drop-shadow(0 0 6px var(--gold-glow));
}

.gold-line {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold-deep) 15%, var(--gold-bright) 50%, var(--gold-deep) 85%, transparent 100%);
  filter: drop-shadow(0 0 4px var(--gold-glow));
}

/* ─── Лендинг ─── */

.landing {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  gap: 28px;
}

/* ─── Терминал-блок (анимированный mini-cli с командами/спиннерами/ASCII-art) ─── */
.terminal {
  width: min(640px, 100%);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.55;
  white-space: pre;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 4px;
  position: relative;
  min-height: 360px;
  overflow: hidden;
}
.terminal::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 5px;
  z-index: -1;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold-bright) 50%, var(--gold-deep) 100%);
  opacity: 0.4;
  filter: drop-shadow(0 0 8px var(--gold-glow));
}
.terminal-content > div { white-space: pre; }
.terminal-cursor-row {
  margin-top: 4px;
  height: 16px;
}
.terminal .cursor {
  display: inline-block;
  width: 9px;
  height: 16px;
  background: var(--matrix);
  vertical-align: text-bottom;
  animation: blink 1.05s steps(2) infinite;
  box-shadow: 0 0 8px var(--matrix);
}

/* Цветовые роли строк */
.term-cmd { color: var(--text-bright); font-weight: 500; }
.term-cmd .term-prompt {
  color: var(--gold-bright);
  text-shadow: 0 0 4px var(--gold-glow);
  font-weight: 700;
}

.term-spin { color: var(--text-dim); }
.term-spin .term-brl {
  color: var(--gold-bright);
  text-shadow: 0 0 6px var(--gold-glow);
  font-weight: 700;
}

.term-ok { color: var(--text); }
.term-ok .term-okmark {
  color: var(--matrix);
  text-shadow: 0 0 4px var(--matrix-dim);
  font-weight: 700;
}

.term-art {
  color: var(--gold-bright);
  text-shadow: 0 0 6px var(--gold-glow);
  letter-spacing: 0;
  animation: art-fade 0.28s ease-in;
}

/* ANSI Shadow figlet — широкие блоки, маленький font + горизонтальный scroll */
.term-figlet {
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0;
  color: var(--gold-bright);
  text-shadow: 0 0 4px var(--gold-glow);
  overflow-x: auto;
  margin: 4px 0;
  padding-bottom: 4px;
}
.term-figlet > div {
  white-space: pre;
  animation: art-fade 0.22s ease-in;
}
.term-figlet-dim {
  color: var(--gold);
  opacity: 0.78;
}
.term-figlet::-webkit-scrollbar { height: 4px; }
.term-figlet::-webkit-scrollbar-thumb { background: var(--gold-deep); }

@media (min-width: 720px) {
  .term-figlet { font-size: 9px; }
}
@keyframes art-fade {
  from { opacity: 0; transform: translateY(-2px); }
  to   { opacity: 1; transform: translateY(0); }
}

.term-sub {
  color: var(--gold);
  font-weight: 700;
  text-shadow: 0 0 5px var(--gold-glow);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.term-text { color: var(--text); }
.term-sep  { color: var(--text-dim); }

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.title {
  font-size: clamp(28px, 6vw, 56px);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-align: center;
  position: relative;
}

.subtitle {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.input-frame {
  width: min(540px, 100%);
  padding: 28px 24px;
  border-radius: 4px;
  position: relative;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(4px);
}

.input-frame::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 5px;
  z-index: -1;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold-bright) 50%, var(--gold-deep) 100%);
  filter: drop-shadow(0 0 12px var(--gold-glow));
}

.input-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--matrix);
  text-shadow:
    0 0 3px var(--matrix),
    0 0 10px var(--matrix-dim),
    0 0 22px rgba(0, 255, 65, 0.35);
  min-height: 20px;
  white-space: pre;
  position: relative;
}
.input-label::before {
  content: '> ';
  color: var(--matrix);
  text-shadow: 0 0 6px var(--matrix);
  font-weight: 700;
}
.input-label .lbl-cursor {
  display: inline-block;
  width: 9px;
  height: 14px;
  background: var(--matrix);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1.05s steps(2) infinite;
  box-shadow: 0 0 8px var(--matrix);
}
.input-label .lbl-glitch {
  color: #ff3850;
  text-shadow: 0 0 6px rgba(255, 56, 80, 0.7);
  animation: lbl-glitch-shake 0.08s steps(2) infinite;
}
@keyframes lbl-glitch-shake {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(1px); }
}

.input-prompt {
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: transparent;
  border-bottom: 1px solid var(--gold-deep);
  padding: 6px 0;
}
.input-prompt::before {
  content: '>';
  color: var(--matrix);
  text-shadow: 0 0 6px var(--matrix-dim);
  font-weight: 700;
  font-size: 18px;
}

.input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: inherit;
  font-size: 16px;
  letter-spacing: 0.05em;
  caret-color: var(--gold-bright);
}
.input::placeholder { color: var(--text-dim); }

.btn {
  display: block;
  width: 100%;
  margin-top: 22px;
  padding: 14px 24px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.85);
  color: var(--gold-bright);
  border: 1px solid var(--gold);
  position: relative;
  transition: all 0.18s ease;
  text-shadow: 0 0 6px var(--gold-glow);
}

.btn:hover {
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-deep) 100%);
  color: var(--bg-deep);
  text-shadow: none;
  box-shadow: 0 0 24px var(--gold-glow), inset 0 0 14px rgba(0, 0, 0, 0.4);
}

.btn:active { transform: translateY(1px); }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Glitch-эффект на hover */
.btn::before, .btn::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
}
.btn:hover::before {
  animation: glitch-x 0.4s steps(2) 2;
  color: rgba(0, 255, 65, 0.6);
  clip-path: polygon(0 0, 100% 0, 100% 30%, 0 30%);
  opacity: 0.4;
}
.btn:hover::after {
  animation: glitch-x-2 0.4s steps(2) 2;
  color: rgba(255, 56, 80, 0.5);
  clip-path: polygon(0 70%, 100% 70%, 100% 100%, 0 100%);
  opacity: 0.4;
}

@keyframes glitch-x {
  0%, 100% { transform: translate(0); }
  50% { transform: translate(-2px, 0); }
}
@keyframes glitch-x-2 {
  0%, 100% { transform: translate(0); }
  50% { transform: translate(2px, 0); }
}

.error-line {
  margin-top: 14px;
  color: var(--danger);
  font-size: 12px;
  text-align: center;
  min-height: 18px;
  text-shadow: 0 0 6px rgba(255, 56, 80, 0.5);
}

.footer-line {
  position: fixed;
  bottom: 16px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  z-index: 1;
}
.footer-line .prompt {
  color: var(--matrix);
  text-shadow: 0 0 4px var(--matrix-dim);
}

/* ─── Reader (двухколоночный) ─── */

.reader {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(2px);
}

.reader-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--gold-deep);
  background: rgba(0, 0, 0, 0.92);
  position: relative;
}
.reader-topbar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold-bright) 50%, transparent 100%);
  filter: drop-shadow(0 0 4px var(--gold-glow));
}

.reader-mailbox {
  flex: 1;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
  text-shadow: 0 0 5px var(--gold-glow);
}
.reader-mailbox .label {
  color: var(--matrix);
  text-shadow: 0 0 4px var(--matrix-dim);
  margin-right: 8px;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--gold-deep);
  color: var(--gold);
  padding: 8px 14px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}
.icon-btn:hover {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
  box-shadow: 0 0 12px var(--gold-glow);
  text-shadow: 0 0 4px var(--gold-glow);
}

.reader-body {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  min-height: 0;
}

.msg-list {
  border-right: 1px solid var(--gold-deep);
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.5);
  position: relative;
}
.msg-list::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: -1px;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--gold-bright) 30%, var(--gold-deep) 70%, transparent 100%);
  filter: drop-shadow(0 0 4px var(--gold-glow));
}

.msg-item {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(184, 134, 11, 0.18);
  cursor: pointer;
  transition: background 0.12s ease;
  position: relative;
}
.msg-item:hover {
  background: rgba(212, 175, 55, 0.08);
}
.msg-item.active {
  background: rgba(212, 175, 55, 0.14);
  border-left: 2px solid var(--gold-bright);
}
.msg-item.unread .from { color: var(--matrix); text-shadow: 0 0 4px var(--matrix-dim); }
.msg-item .from {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-item .subject {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-item .preview {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-item .time {
  font-size: 10px;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
  margin-top: 6px;
  text-transform: uppercase;
}

.msg-detail {
  overflow-y: auto;
  padding: 24px 28px;
  background: rgba(0, 0, 0, 0.6);
}

.msg-detail .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dim);
  text-align: center;
  gap: 12px;
}

.msg-detail .meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
  font-size: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--gold-deep);
}
.msg-detail .meta .key {
  color: var(--matrix);
  text-shadow: 0 0 4px var(--matrix-dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.msg-detail .meta .val { color: var(--text-bright); }

.msg-detail .subject-big {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-bright);
}

/* 2FA-код блок — золотом подсвечен */
.code-block {
  margin: 20px 0 24px;
  padding: 24px;
  position: relative;
  background: rgba(0, 0, 0, 0.85);
  border-radius: 4px;
  text-align: center;
}
.code-block::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 5px;
  z-index: -1;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold-bright) 50%, var(--gold-deep) 100%);
  filter: drop-shadow(0 0 14px var(--gold-glow));
  animation: pulse-gold 2.4s ease-in-out infinite;
}
@keyframes pulse-gold {
  0%, 100% { filter: drop-shadow(0 0 8px var(--gold-glow)); }
  50%      { filter: drop-shadow(0 0 18px var(--gold-glow)); }
}

.code-block .label {
  font-size: 11px;
  color: var(--matrix);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 12px;
  text-shadow: 0 0 4px var(--matrix-dim);
}

.code-block .code {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--gold-bright);
  text-shadow: 0 0 14px var(--gold-glow);
  margin-bottom: 14px;
  cursor: pointer;
  user-select: all;
}

.code-block .copied {
  font-size: 12px;
  color: var(--matrix);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.4s ease;
  text-shadow: 0 0 6px var(--matrix-dim);
}
.code-block.flash .copied { opacity: 1; }

.msg-detail .body {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}
.msg-detail .body a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-decoration-color: var(--gold-deep);
}
.msg-detail .body a:hover {
  text-shadow: 0 0 8px var(--gold-glow);
}
.msg-detail .body p { margin-bottom: 12px; }
.msg-detail .body code, .msg-detail .body pre {
  background: rgba(0, 255, 65, 0.08);
  padding: 2px 6px;
  border-radius: 2px;
  font-family: inherit;
  color: var(--matrix);
}

/* ─── Loading ─── */
.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  gap: 14px;
  color: var(--matrix);
  text-shadow: 0 0 6px var(--matrix-dim);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.loader .progress {
  width: 240px;
  height: 4px;
  background: rgba(0, 255, 65, 0.15);
  position: relative;
  overflow: hidden;
}
.loader .progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  animation: scan 1.6s linear infinite;
}
@keyframes scan {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
  .reader-body {
    grid-template-columns: 1fr;
  }
  .msg-list {
    border-right: none;
    border-bottom: 1px solid var(--gold-deep);
  }
  .msg-list::after { display: none; }
  .msg-detail.hidden { display: none; }
  .msg-list.hidden { display: none; }
  .reader-topbar {
    flex-wrap: wrap;
    gap: 8px;
  }
  .reader-mailbox { font-size: 11px; }
}