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

html, body {
  width: 100%;
  height: 100%;
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
}

:root {
  --card-width: 360px;
  --panel-gap: 24px;
  --card-bg: rgba(18, 18, 18, 0.92);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f3f3f3;
  --muted: #b6b6b6;
  --accent: #cce46b;
  --accent-2: #f5c669;
  --success: #83e37d;
  --error: #f38a8a;
  --anim-fast: 160ms;
  --anim-mid: 320ms;
  --anim-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ================= BACKGROUND ================= */
#page-bg-wrapper {
  position: fixed;
  inset: 0;
  z-index: -10;
  pointer-events: none;
}

#page-bg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  image-rendering: auto;
}

.pixel-art #page-bg {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
  -webkit-optimize-contrast: pixelated;
}

/* ================= PAGE ================= */
body {
  color: var(--text);
  background: #000;
}

#login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 16px;
  text-align: center;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#login-page .login-card,
#login-page .login-form,
#login-page .field,
#login-page .preset-hint {
  align-items: center;
  text-align: center;
}

/* ================= CARDS ================= */
.login-card {
  width: min(100%, var(--card-width));
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 14px 0 rgba(0, 0, 0, 0.35);
  animation: panel-in var(--anim-mid) var(--anim-ease) both;
}

.login-card.is-hidden {
  display: none;
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.card-header h1,
.card-header h2 {
  font-size: 24px;
  letter-spacing: 0.02em;
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
}

.logo-frame {
  width: 88px;
  height: 88px;
  border-radius: 0;
  border: 2px dashed rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  margin: 0 auto 6px auto;
  background: rgba(0, 0, 0, 0.25);
}

.logo-placeholder {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.logo-image {
  width: 72px;
  height: 72px;
  object-fit: contain;
  image-rendering: auto;
}

/* ================= FORM ================= */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  width: 100%;
}

.field input,
.field select {
  background: rgba(0, 0, 0, 0.45);
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 0;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  width: 100%;
  text-align: center;
  transition: border-color var(--anim-fast) var(--anim-ease), box-shadow var(--anim-fast) var(--anim-ease);
}

.field input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(204, 228, 107, 0.35);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px rgba(204, 228, 107, 0.18);
}

.form-message {
  min-height: 18px;
  font-size: 13px;
}

.form-message.is-success {
  color: var(--success);
}

.form-message.is-error {
  color: var(--error);
}

.preset-hint {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
}

.preset-hint code {
  font-family: "Courier New", monospace;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 0;
  border: 2px solid rgba(255, 255, 255, 0.12);
  padding: 2px 6px;
  color: #fff;
}

.reset-step.is-hidden {
  display: none;
}

/* ================= BUTTONS ================= */
.primary-btn {
  margin-top: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1b1b1b;
  border: 2px solid rgba(0, 0, 0, 0.35);
  border-radius: 0;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--anim-fast) var(--anim-ease), box-shadow var(--anim-fast) var(--anim-ease), filter var(--anim-fast) var(--anim-ease);
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.5);
  filter: brightness(1.03);
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  transition: color var(--anim-fast) var(--anim-ease), transform var(--anim-fast) var(--anim-ease);
}

.link-btn:hover {
  color: #f0f7a3;
  transform: translateX(-2px);
}

/* ================= LAYOUT ================= */
#login-page {
  gap: var(--panel-gap);
}

@media (min-width: 820px) {
  #login-page {
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, var(--card-width));
  }
}