/* ===== Theme ===== */
:root{
  color-scheme: dark;

  --bg: #0b1220;
  --bg-image: url('../img/background.jpg');

  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.09);
  --modal-surface: rgba(15,23,42,.92);
  --modal-border: rgba(255,255,255,.16);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --border: rgba(255,255,255,.12);
  --primary: #6ea8fe;
  --primary-2: #8b5cf6;

  --radius: 14px;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --shadow-soft: 0 10px 26px rgba(0,0,0,.25);

  --container: 1100px;
  --gap: 14px;
  --pad: 18px;

  --focus: 0 0 0 3px rgba(110,168,254,.35);
  --t: .16s ease;
}

html,
body,
input,
select,
textarea,
button{
  color-scheme: dark;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  position: relative;
  isolation: isolate;
  color: var(--text);
  line-height: 1.35;
}

body::before{
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(180deg, rgba(8,12,20,.82), rgba(8,12,20,.92)),
    radial-gradient(circle at top, rgba(255,255,255,.04), transparent 38%),
    var(--bg-image);
  background-position: center, center, center;
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-size: cover, cover, cover;
}

body.modal-open{ overflow: hidden; }

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }
img{ max-width: 100%; display: block; }

.container{
  width: min(var(--container), 100%);
  margin: 0 auto;
  padding: 22px 16px;
}

/* ===== Surface + layout primitives ===== */
.card{
  background: linear-gradient(180deg, var(--surface), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
}

.card-soft{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.row{ display: flex; gap: var(--gap); }
.row > *{ min-width: 0; }
.col{ display: flex; flex-direction: column; gap: var(--gap); }

.row-ac{ align-items: center; }
.row-wrap{ flex-wrap: wrap; }
.row-between-wrap{ align-items: flex-start; justify-content: space-between; flex-wrap: wrap; }
.col-tight{ gap: 4px; }

.card-pad{ padding: 20px; }
.card-soft-pad{ padding: 0; }
.minw-260{ min-width: 260px; }

/* ===== Typography ===== */
.h1{ font-size: clamp(24px, 3.2vw, 34px); margin: 0; letter-spacing: -0.02em; }
.h2{ font-size: 18px; margin: 0; }
.p{ margin: 0; color: var(--muted); }
.label{ font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.help{ font-size: 12px; color: var(--muted); }

/* ===== Buttons + badges ===== */
.badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 12px;
  color: var(--muted);
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  transition: transform .06s ease, background .2s ease, border-color .2s ease;
  user-select: none;
}

.btn:hover{ background: rgba(255,255,255,.14); }
.btn:active{ transform: translateY(1px); }
.btn:focus-visible{ outline: none; box-shadow: var(--focus); }

.btn-primary{
  border-color: rgba(110,168,254,.45);
  background: linear-gradient(135deg, rgba(110,168,254,.28), rgba(139,92,246,.22));
}

.btn-primary:hover{
  background: linear-gradient(135deg, rgba(110,168,254,.34), rgba(139,92,246,.28));
  text-decoration: none;
}

.btn-ghost{
  background: transparent;
  border-color: var(--border);
}

.btn-ghost:hover{
  background: var(--surface);
  text-decoration: none;
}

.btn-compact{ padding: 8px 10px; border-radius: 10px; }
.btn-compact-md{ padding: 10px 12px; }
.btn-flex-min{ flex: 1; min-width: 220px; }

/* ===== Form controls ===== */
.field{ display: flex; flex-direction: column; gap: 6px; }
.field-inline{ display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.12);
  color: var(--text);
  outline: none;
}

.input:focus{
  box-shadow: var(--focus);
  border-color: rgba(110,168,254,.55);
}

.input:disabled{
  opacity: .75;
  cursor: not-allowed;
}

.checkbox{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.checkbox input{ width: 16px; height: 16px; }

.hr{
  height: 1px;
  background: var(--border);
  border: 0;
  margin: 14px 0;
}

/* ===== Password toggle ===== */
.input-wrap{ position: relative; }
.input-wrap .input{ padding-right: 44px; }

.icon-btn{
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.icon-btn:hover{
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.icon-btn:focus-visible{
  outline: none;
  box-shadow: var(--focus);
}

.icon-btn svg{ width: 18px; height: 18px; }
.icon-btn .eye-off{ display: none; }
.icon-btn.is-on .eye{ display: none; }
.icon-btn.is-on .eye-off{ display: block; }

/* ===== Shared helpers ===== */
.m0{ margin: 0; }
.mt8{ margin-top: 8px; }
.mt12{ margin-top: 12px; }
.right{ margin-left: auto; }
.hide{ display: none !important; }

@media (prefers-reduced-motion: reduce){
  *{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}