/* ============================================================
   ARCLINE BILLING — Terminal / Monospace Design System
   Matches arcline website design tokens.
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* --- Design Tokens --- */
:root {
  --bg:             #060b10;
  --surface:        #0c1319;
  --surface-2:      #121c25;
  --border:         #1c2a34;
  --border-bright:  #27394a;
  --border-dim:     #111c24;

  --cyan:           #00c8f0;
  --cyan-dim:       #0090b8;
  --cyan-bg:        rgba(0, 200, 240, 0.06);
  --cyan-border:    rgba(0, 200, 240, 0.2);

  --text:           #b8cdd8;
  --text-dim:       #456070;
  --text-bright:    #e0eff8;
  --text-code:      #7ab8d0;

  --ok:             #00c8f0;
  --warn:           #f0a020;
  --err:            #e05050;
  --ok-bg:          rgba(0, 200, 240, 0.08);
  --err-bg:         rgba(224, 80, 80, 0.10);
  --warn-bg:        rgba(240, 160, 32, 0.10);

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
  --font-size-xs:   0.6875rem;
  --font-size-sm:   0.75rem;
  --font-size-md:   0.875rem;
  --font-size-base: 0.9375rem;
  --font-size-lg:   1.0625rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.75rem;

  --radius: 2px;
  --nav-h: 56px;
  --max-w: 1100px;
  --t: 0.15s ease;
}

/* --- Base --- */
body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.main { flex: 1; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
@media (max-width: 640px) { .container { padding: 0 1.25rem; } }

/* --- Blinking cursor --- */
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.cursor::after {
  content: '▋';
  color: var(--cyan);
  animation: blink 1s step-end infinite;
  font-size: 0.85em;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav__logo-bracket { color: var(--text-dim); }
.nav__logo-accent  { color: var(--cyan); }

.nav__label {
  font-size: var(--font-size-sm);
  color: var(--text-dim);
  flex: 1;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  font-size: var(--font-size-sm);
  color: var(--text-dim);
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.footer__sep { color: var(--border-bright); }
.footer__link { color: var(--text-dim); transition: color var(--t); }
.footer__link:hover { color: var(--cyan); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.55em 1.2em;
  font-size: var(--font-size-md);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  transition: background var(--t), color var(--t), border-color var(--t);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--cyan);
  color: var(--bg);
  border: 1px solid var(--cyan);
}
.btn--primary:hover { background: var(--cyan-dim); border-color: var(--cyan-dim); }

.btn--ghost {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan-border);
}
.btn--ghost:hover { background: var(--cyan-bg); border-color: var(--cyan); }

.btn--danger {
  background: transparent;
  color: var(--err);
  border: 1px solid rgba(224, 80, 80, 0.35);
}
.btn--danger:hover { background: var(--err-bg); border-color: var(--err); }

.btn--muted {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn--muted:hover { color: var(--text); border-color: var(--border-bright); }

.btn--full { width: 100%; }
.btn--sm { font-size: var(--font-size-sm); padding: 0.35em 0.9em; }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: var(--font-size-md);
  margin-bottom: 1.25rem;
  border-left: 3px solid;
}
.alert--ok    { background: var(--ok-bg);   border-color: var(--ok);   color: var(--ok); }
.alert--error { background: var(--err-bg);  border-color: var(--err);  color: var(--err); }
.alert--warn  { background: var(--warn-bg); border-color: var(--warn); color: var(--warn); }

.flash { margin-bottom: 1.5rem; }

/* ============================================================
   AUTH CARD (login / register / reset)
   ============================================================ */
.auth-wrap {
  min-height: calc(100vh - var(--nav-h) - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.25rem;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.auth-card__header {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
}

.auth-card__prompt {
  font-size: var(--font-size-sm);
  color: var(--cyan);
  font-style: italic;
}

.auth-card__body { padding: 2rem; }

.auth-card__title {
  font-size: var(--font-size-lg);
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.auth-card__desc {
  font-size: var(--font-size-md);
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.auth-card__links {
  margin-top: 1.25rem;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-dim);
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.auth-card__link  { color: var(--cyan); transition: color var(--t); }
.auth-card__link:hover { color: #fff; }
.auth-card__sep   { color: var(--border-bright); }
.auth-card__text  { color: var(--text-dim); }

/* ============================================================
   FORMS
   ============================================================ */
.form { display: flex; flex-direction: column; gap: 1.1rem; }

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 420px) { .form__row { grid-template-columns: 1fr; } }

.form__group { display: flex; flex-direction: column; gap: 0.4rem; }

.form__label {
  font-size: var(--font-size-sm);
  color: var(--text-dim);
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.form__hint { color: var(--text-dim); font-size: 0.75em; }

.form__input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-bright);
  padding: 0.6em 0.85em;
  font-size: var(--font-size-base);
  transition: border-color var(--t), background var(--t);
  width: 100%;
}
.form__input::placeholder { color: var(--text-dim); opacity: 0.5; }
.form__input:focus {
  outline: none;
  border-color: var(--cyan);
  background: var(--surface-2);
}

/* ============================================================
   DASHBOARD
   ============================================================ */
.dashboard { padding: 3rem 0 4rem; }

.dash-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.dash-header__title {
  font-size: var(--font-size-2xl);
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.dash-header__name { color: var(--cyan); }

.dash-header__email {
  font-size: var(--font-size-sm);
  color: var(--text-dim);
}

.dash-section {
  margin-bottom: 2.5rem;
}

.dash-section__title {
  font-size: var(--font-size-md);
  color: var(--text-dim);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  font-weight: 600;
}

.dash-actions { margin-top: 1rem; }

.dash-empty {
  color: var(--text-dim);
  font-size: var(--font-size-md);
  padding: 0.5rem 0;
}

.dash-empty-sub {
  color: var(--text-dim);
  font-size: var(--font-size-sm);
  margin-top: 0.5rem;
}

/* ============================================================
   TERMINAL WINDOW CHROME
   ============================================================ */
.term-window {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.term-window__chrome {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.term-window__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.term-window__dot--red    { background: #e05050; }
.term-window__dot--yellow { background: #f0a020; }
.term-window__dot--green  { background: #00c8a0; }

.term-window__title {
  margin-left: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--text-dim);
}

.term-window__body { padding: 1.25rem 1.5rem; }

/* ============================================================
   STATUS ROWS (inside term-window)
   ============================================================ */
.status-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0;
  font-size: var(--font-size-md);
}

.status-row__label {
  color: var(--text-dim);
  white-space: nowrap;
  min-width: 12rem;
}

.status-row__dots {
  flex: 1;
  border-bottom: 1px dotted var(--border-bright);
  margin-bottom: 3px;
  min-width: 1rem;
}

.status-row__value {
  color: var(--text-bright);
  white-space: nowrap;
}

/* ============================================================
   STATUS BADGE
   ============================================================ */
.status-badge {
  display: inline-block;
  padding: 0.1em 0.55em;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge--active   { background: var(--ok-bg);   color: var(--ok);   border: 1px solid rgba(0,200,240,0.25); }
.status-badge--cancelled { background: var(--err-bg);  color: var(--err);  border: 1px solid rgba(224,80,80,0.25); }
.status-badge--past_due { background: var(--warn-bg); color: var(--warn); border: 1px solid rgba(240,160,32,0.25); }
.status-badge--paid     { background: var(--ok-bg);   color: var(--ok);   border: 1px solid rgba(0,200,240,0.25); }
.status-badge--open     { background: var(--warn-bg); color: var(--warn); border: 1px solid rgba(240,160,32,0.25); }
.status-badge--void     { background: var(--surface-2); color: var(--text-dim); border: 1px solid var(--border); }

/* ============================================================
   INVOICE TABLE
   ============================================================ */
.inv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.inv-table__th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-transform: lowercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.inv-table__th--right { text-align: right; }

.inv-table__row:hover { background: var(--surface-2); }

.inv-table__td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text);
  vertical-align: middle;
}

.inv-table__td--muted { color: var(--text-dim); }
.inv-table__td--right { text-align: right; }

/* ============================================================
   LINKS
   ============================================================ */
.link { color: var(--cyan); text-decoration: none; transition: color var(--t); }
.link:hover { color: #fff; }
.link--sm { font-size: var(--font-size-sm); }