/* crypto-tools v1.0 — mobile-first CSS */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0a0f1a;
  --bg2:      #0e1422;
  --panel:    #131b2e;
  --panel2:   #182239;
  --line:     #2a3654;
  --text:     #d8e1ff;
  --muted:    #8a9bbf;
  --dim:      #5e6c8e;
  --accent:   #a78bfa;     /* purple */
  --accent2:  #c4b5fd;
  --ok:       #4caf80;
  --warn:     #ff8c42;
  --err:      #ff5555;
  --info:     #4ec5d4;
  --hl:       #facc15;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
  min-height: 100vh;
}

.screen { padding: 0 1rem 5rem; max-width: 900px; margin: 0 auto; }
.hidden { display: none !important; }
.spacer { flex: 1; }
.hint { color: var(--muted); font-size: .85rem; margin: .4rem 0; }
.row { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.row > * { flex: 0 0 auto; }
.row > input { flex: 1 1 auto; min-width: 0; }

h1 { font-size: 1.25rem; }
h2 { font-size: 1.05rem; margin: 1rem 0 .5rem; color: var(--accent); }
h3 { font-size: .85rem; margin: .8rem 0 .3rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

code { background: var(--bg); padding: .1rem .35rem; border-radius: 3px; font-size: .85em; color: var(--accent2); }

/* Inputs */
input, textarea, select, button {
  font-family: inherit;
  font-size: 1rem;
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .65rem;
  width: 100%;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea {
  font-family: ui-monospace, "SF Mono", Monaco, monospace;
  font-size: .85rem;
  min-height: 80px;
  resize: vertical;
}

button {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity .12s;
}
button:active { opacity: .6; }
button:disabled { opacity: .4; cursor: not-allowed; }

button.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--line);
}
button.ghost:hover { border-color: var(--accent); }
button.ghost.small { font-size: .85rem; padding: .4rem .7rem; width: auto; }
button.ghost.icon { width: 38px; height: 38px; padding: 0; font-size: 1.05rem; flex-shrink: 0; }

button.primary.big {
  padding: 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  width: 100%;
  margin: 1rem 0;
  box-shadow: 0 4px 12px rgba(167,139,250,.25);
}

/* Login */
#login-form {
  max-width: 340px;
  margin: 4rem auto;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  text-align: center;
  padding: 0 1rem;
}
#login-form h1 { font-size: 1.5rem; }

/* Top bar */
.top-bar {
  position: sticky;
  top: 0;
  background: rgba(10, 15, 26, .96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
  margin: 0 -1rem 1rem;
  padding-left: 1rem;
  padding-right: 1rem;
}
.top-bar h1 { color: var(--accent); }

.user-tag {
  font-size: .75rem;
  background: var(--panel2);
  padding: .25rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

/* Tabs */
.tabs {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--line);
  margin: 0 -1rem 1rem;
  padding: 0 1rem;
  gap: .2rem;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs.sub-tabs { margin: 0 0 1rem; padding: 0; border-bottom: 1px dashed var(--line); }
.tab {
  flex: 0 0 auto;
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 0;
  padding: .7rem .9rem;
  font-size: .9rem;
  font-weight: 500;
  width: auto;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.tab-pane { display: none; padding: .5rem 0; }
.tab-pane.active { display: block; }
.tab-pane[data-pane="genera"], .tab-pane[data-pane="hash"],
.tab-pane[data-pane="verifica"], .tab-pane[data-pane="htpasswd"],
.tab-pane[data-pane="encode"], .tab-pane[data-pane="jwt"] {
  display: none;
}
.tab-pane[data-pane="genera"].active,
.tab-pane[data-pane="hash"].active,
.tab-pane[data-pane="verifica"].active,
.tab-pane[data-pane="htpasswd"].active,
.tab-pane[data-pane="encode"].active,
.tab-pane[data-pane="jwt"].active { display: block; }

/* Presets */
.presets {
  display: flex;
  gap: .3rem;
  flex-wrap: wrap;
  margin: 0 0 1rem;
  padding-bottom: .8rem;
  border-bottom: 1px dashed var(--line);
}
.preset {
  width: auto;
  font-size: .72rem;
  padding: .4rem .7rem;
  background: var(--panel);
  color: var(--accent2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 500;
}
.preset:hover { border-color: var(--accent); }

/* Fields */
.field {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin: .8rem 0;
}
.field > span {
  color: var(--muted);
  font-size: .85rem;
  font-weight: 500;
}
.field input, .field select { width: 100%; }

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin: .5rem 0;
}
.checkbox-row label {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .9rem;
  color: var(--text);
  cursor: pointer;
}
.checkbox-row input { width: auto; transform: scale(1.2); }

.toggle {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem 0;
  cursor: pointer;
  color: var(--text);
  font-size: .9rem;
}
.toggle input { width: auto; transform: scale(1.2); }

label > .hint { display: block; margin-bottom: .3rem; }

/* Param block (auto-rendered from algorithm schema) */
.param-block {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .8rem;
  margin: .8rem 0;
}
.param-block h3 {
  margin-top: 0;
  color: var(--accent);
}

/* Result block */
.result {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg2);
  border: 1px solid var(--accent);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  animation: fadeIn .25s;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.result pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .8rem;
  font-family: ui-monospace, "SF Mono", Monaco, monospace;
  font-size: .85rem;
  word-break: break-all;
  white-space: pre-wrap;
  color: var(--accent2);
  max-height: 50vh;
  overflow: auto;
  line-height: 1.5;
}
.result-meta {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: var(--muted);
}
.result-meta .badge {
  background: var(--panel);
  padding: .25rem .6rem;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.result-meta .badge.strength-DEBOLE     { color: var(--err);   border-color: var(--err); }
.result-meta .badge.strength-media      { color: var(--warn);  border-color: var(--warn); }
.result-meta .badge.strength-forte      { color: var(--info);  border-color: var(--info); }
.result-meta .badge.strength-molto      { color: var(--ok);    border-color: var(--ok); }
.result-meta .badge.strength-estrema    { color: var(--accent);border-color: var(--accent); }

/* Verify */
.verify-icon {
  font-size: 3rem;
  text-align: center;
  padding: 1rem 0;
}
.verify-icon.ok  { color: var(--ok); }
.verify-icon.err { color: var(--err); }

#verify-output {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .6rem;
  font-family: ui-monospace, monospace;
  font-size: .85rem;
  color: var(--muted);
}

/* Errors */
.error {
  color: var(--err);
  font-size: .9rem;
  padding: .6rem;
  background: rgba(255,85,85,.08);
  border-left: 3px solid var(--err);
  border-radius: 4px;
  margin: .4rem 0;
}
.error:empty { display: none; }

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel2);
  color: var(--accent);
  padding: .8rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--accent);
  font-size: .9rem;
  z-index: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,.5);
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
  max-width: 90%;
  text-align: center;
}
.toast.show { opacity: 1; }

/* Mobile tweaks */
@media (max-width: 480px) {
  .screen { padding: 0 .8rem 5rem; }
  .top-bar { margin: 0 -.8rem 1rem; padding-left: .8rem; padding-right: .8rem; }
  .tabs { margin: 0 -.8rem 1rem; padding: 0 .8rem; }
  button.primary.big { padding: .85rem; font-size: .95rem; }
}

@supports (padding: max(0px)) {
  body { padding-bottom: max(0px, env(safe-area-inset-bottom)); }
}