@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/ibm-plex-mono-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/ibm-plex-mono-600-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/ibm-plex-mono-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@layer tokens, reset, base, components, pages, motion, utilities;

@layer tokens {
  :root {
    color-scheme: light;
    --vo-porcelain: hsl(38 32% 96%);
    --vo-paper: hsl(38 35% 99%);
    --vo-paper-warm: hsl(35 28% 93%);
    --vo-graphite: hsl(220 15% 13%);
    --vo-orange: hsl(25 92% 53%);
    --vo-accent-strong: hsl(25 85% 42%);
    --vo-accent-dark: hsl(25 82% 36%);
    --vo-orange-deep: hsl(20 82% 44%);
    --vo-cobalt: hsl(230 78% 58%);
    --vo-ink-muted: hsl(220 7% 42%);
    --vo-line: hsl(220 14% 13% / 0.14);
    --vo-line-strong: hsl(220 14% 13% / 0.28);
    --vo-success: hsl(154 67% 32%);
    --vo-warning: hsl(35 92% 38%);
    --vo-danger: hsl(4 58% 48%);
    --vo-info: hsl(215 72% 46%);
    --vo-shadow-1: 0 10px 30px hsl(24 20% 20% / 0.08);
    --vo-shadow-2: 0 24px 64px -24px hsl(24 24% 18% / 0.24);
    --vo-shadow-3: 0 42px 110px -34px hsl(24 28% 16% / 0.34);
    --vo-radius-xs: 6px;
    --vo-radius-sm: 10px;
    --vo-radius-md: 16px;
    --vo-radius-lg: 26px;
    --vo-radius-xl: 38px;
    --vo-container: 1240px;
    --layout-content-max: 77.5rem;
    --layout-gutter: clamp(0.875rem, 3vi, 2.25rem);
    --space-section: clamp(4rem, 9vb, 9rem);
    --control-min-size: 2.75rem;
    --shell-header-size: 4.5rem;
    --shell-rail-size: clamp(13.5rem, 18vi, 15.5rem);
    --vo-font-sans: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
    --vo-font-mono: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;
    --vo-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --vo-ease-standard: cubic-bezier(0.2, 0, 0, 1);
    --vo-duration-fast: 180ms;
    --vo-duration-medium: 360ms;
    --vo-duration-slow: 720ms;

    /* Yeni yüzeylere geçişte mevcut bileşen sözleşmelerini koruyan alias'lar. */
    --vo-canvas: var(--vo-porcelain);
    --vo-ink: var(--vo-graphite);
    --vo-muted: var(--vo-ink-muted);
    --vo-accent: var(--vo-orange);
    --vo-optic: var(--vo-cobalt);
    --bg: var(--vo-porcelain);
    --bg-soft: var(--vo-paper-warm);
    --surface: var(--vo-paper);
    --surface-strong: var(--vo-graphite);
    --ink: var(--vo-graphite);
    --muted: var(--vo-ink-muted);
    --muted-strong: hsl(220 8% 28%);
    --line: var(--vo-line);
    --line-strong: var(--vo-line-strong);
    --border: var(--vo-line);
    --accent: var(--vo-orange);
    --accent-soft: hsl(28 92% 62%);
    --accent-dark: var(--vo-orange-deep);
    --shadow: var(--vo-shadow-2);
    --radius: var(--vo-radius-lg);
    --radius-sm: var(--vo-radius-sm);
    --container: var(--vo-container);
    --font-sans: var(--vo-font-sans);
    --font-mono: var(--vo-font-mono);
  }
}

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
  }

  body,
  h1,
  h2,
  h3,
  h4,
  p,
  figure,
  blockquote,
  dl,
  dd {
    margin: 0;
  }

  img,
  picture {
    display: block;
    max-width: 100%;
  }

  img {
    height: auto;
  }

  button,
  input,
  select,
  textarea {
    font: inherit;
  }

  button,
  a {
    -webkit-tap-highlight-color: transparent;
  }
}

@layer base {
  body[data-surface] {
    min-height: 100vh;
    color: var(--vo-graphite);
    background:
      radial-gradient(circle at 82% -8%, hsl(25 92% 53% / 0.13), transparent 30rem),
      radial-gradient(circle at 12% 18%, hsl(230 78% 58% / 0.055), transparent 24rem),
      var(--vo-porcelain);
    font-family: var(--vo-font-sans);
    font-synthesis: none;
    text-rendering: optimizeLegibility;
  }

  body[data-surface]::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.42;
    background-image:
      linear-gradient(var(--vo-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--vo-line) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  }

  body[data-surface="workspace"]::before,
  body[data-surface="admin"]::before {
    opacity: 0.2;
    background-size: 80px 80px;
  }

  ::selection {
    background: hsl(25 92% 53% / 0.24);
    color: var(--vo-graphite);
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  :focus-visible {
    outline: 3px solid hsl(230 78% 58% / 0.78);
    outline-offset: 3px;
  }

  h1,
  h2,
  h3,
  h4 {
    color: var(--vo-graphite);
    font-weight: 650;
    letter-spacing: -0.045em;
    text-wrap: balance;
  }

  p {
    color: var(--vo-ink-muted);
    line-height: 1.65;
  }

  .container {
    inline-size: min(100% - (2 * var(--layout-gutter)), var(--layout-content-max));
    margin-inline: auto;
    min-inline-size: 0;
  }
}

@layer components {
  .skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 200;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    transform: translateY(-160%);
    border: 1px solid var(--vo-line-strong);
    border-radius: var(--vo-radius-sm);
    background: var(--vo-graphite);
    color: var(--vo-paper);
    padding: 0 1rem;
    font-weight: 650;
    box-shadow: var(--vo-shadow-2);
    transition: transform 0.2s ease;
  }

  .skip-link:focus-visible {
    transform: translateY(0);
    outline: 2px solid var(--vo-orange);
    outline-offset: 2px;
  }

  /* Fare tıklamalarında veya otomatik odaklanmalarda gizli kalmasını garantile */
  .skip-link:focus:not(:focus-visible) {
    transform: translateY(-160%);
  }

  .brand,
  .brand-wordmark,
  .wordmark {
    display: inline-flex;
    align-items: center;
    gap: 0.08em;
    width: max-content;
    color: var(--vo-graphite);
    font-family: var(--vo-font-sans);
    font-size: 1.06rem;
    font-weight: 680;
    letter-spacing: -0.045em;
    line-height: 1;
  }

  .brand-os,
  .wordmark-os,
  .brand__os {
    position: relative;
    margin-left: 0.14em;
    color: var(--vo-orange-deep);
    font-family: var(--vo-font-mono);
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: -0.04em;
  }

  .brand-os::after,
  .wordmark-os::after,
  .brand__os::after {
    content: "";
    position: absolute;
    top: -0.35em;
    right: -0.45em;
    width: 0.28em;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--vo-cobalt);
    box-shadow: 0 0 0 3px hsl(230 78% 58% / 0.1);
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border: 1px solid var(--vo-line-strong);
    border-radius: var(--vo-radius-xs);
    background: var(--vo-paper);
    color: var(--vo-orange-deep);
    font-family: var(--vo-font-mono);
    font-size: 0.78rem;
    box-shadow: var(--vo-shadow-1);
  }

  .button,
  .compact-button,
  .admin-link-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid transparent;
    border-radius: var(--vo-radius-sm);
    padding: 0 1.15rem;
    font-weight: 650;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition:
      transform var(--vo-duration-fast) var(--vo-ease-standard),
      border-color var(--vo-duration-fast) ease,
      background var(--vo-duration-fast) ease,
      color var(--vo-duration-fast) ease,
      box-shadow var(--vo-duration-fast) ease;
  }

  .button.primary {
    background: var(--vo-orange);
    color: var(--vo-graphite);
    box-shadow: 0 14px 30px hsl(25 92% 45% / 0.2);
  }

  .button.primary:hover {
    background: hsl(25 96% 58%);
    box-shadow: 0 18px 38px hsl(25 92% 45% / 0.28);
    transform: translateY(-2px);
  }

  .button.secondary,
  .compact-button,
  .admin-link-button {
    border-color: var(--vo-line-strong);
    background: hsl(38 35% 99% / 0.82);
    color: var(--vo-graphite);
    box-shadow: 0 1px 0 hsl(0 0% 100% / 0.9) inset;
  }

  .button.secondary:hover,
  .compact-button:hover,
  .admin-link-button:hover {
    border-color: hsl(25 92% 53% / 0.55);
    background: var(--vo-paper);
    transform: translateY(-2px);
  }

  .button:active,
  .compact-button:active,
  .admin-link-button:active {
    transform: translateY(1px) scale(0.99);
  }

  .button:disabled,
  .compact-button:disabled,
  .admin-link-button:disabled {
    cursor: not-allowed;
    opacity: 0.52;
    transform: none;
    box-shadow: none;
  }

  .form-row {
    display: grid;
    gap: 0.5rem;
  }

  .form-row.wide,
  .form-submit,
  .form-status {
    grid-column: 1 / -1;
  }

  label {
    color: var(--vo-graphite);
    font-size: 0.91rem;
    font-weight: 600;
  }

  input,
  select,
  textarea {
    width: 100%;
    border: 1px solid var(--vo-line-strong);
    border-radius: var(--vo-radius-sm);
    background: hsl(38 35% 99% / 0.88);
    color: var(--vo-graphite);
    padding: 0.88rem 0.95rem;
    transition:
      border-color var(--vo-duration-fast) ease,
      box-shadow var(--vo-duration-fast) ease,
      background var(--vo-duration-fast) ease;
  }

  select {
    color-scheme: light;
  }

  select option {
    background: var(--vo-paper);
    color: var(--vo-graphite);
  }

  input::placeholder,
  textarea::placeholder {
    color: hsl(220 7% 42% / 0.68);
  }

  input:focus,
  select:focus,
  textarea:focus {
    border-color: hsl(230 78% 58% / 0.72);
    background: var(--vo-paper);
    box-shadow: 0 0 0 4px hsl(230 78% 58% / 0.11);
    outline: none;
  }

  [aria-invalid="true"] {
    border-color: hsl(4 58% 48% / 0.68);
    box-shadow: 0 0 0 4px hsl(4 58% 48% / 0.09);
  }

  textarea {
    resize: vertical;
  }

  .field-error {
    min-height: 1.1rem;
    color: var(--vo-danger);
    font-size: 0.84rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }

  .form-status,
  .feedback-message {
    color: var(--vo-success);
    font-weight: 600;
    line-height: 1.45;
    overflow-wrap: anywhere;
  }

  .form-status[data-kind="error"],
  .feedback-message[data-kind="error"] {
    color: var(--vo-danger);
  }

  .form-status[data-kind="info"],
  .feedback-message[data-kind="info"] {
    color: var(--vo-info);
  }

  .loading-spinner {
    width: 1em;
    height: 1em;
    display: inline-block;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: vo-spin 700ms linear infinite;
  }

  .list-pager {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.9rem;
  }

  .list-pager button {
    min-width: 42px;
    min-height: 40px;
    border: 1px solid var(--vo-line-strong);
    border-radius: var(--vo-radius-xs);
    background: var(--vo-paper);
    color: var(--vo-graphite);
    cursor: pointer;
  }

  .list-pager button:disabled {
    cursor: not-allowed;
    opacity: 0.44;
  }

  dialog {
    max-width: min(560px, calc(100% - 32px));
    border: 1px solid var(--vo-line-strong);
    border-radius: var(--vo-radius-lg);
    background: var(--vo-paper);
    color: var(--vo-graphite);
    box-shadow: var(--vo-shadow-3);
    padding: 0;
  }

  dialog::backdrop {
    background: hsl(220 15% 13% / 0.38);
    backdrop-filter: blur(5px);
  }

  .toast-region {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 180;
    width: min(380px, calc(100% - 36px));
    display: grid;
    gap: 10px;
    pointer-events: none;
  }

  .toast {
    border: 1px solid var(--vo-line-strong);
    border-left: 4px solid var(--vo-cobalt);
    border-radius: var(--vo-radius-sm);
    background: var(--vo-paper);
    color: var(--vo-graphite);
    box-shadow: var(--vo-shadow-2);
    padding: 0.9rem 1rem;
    pointer-events: auto;
    animation: vo-toast-in var(--vo-duration-medium) var(--vo-ease-out) both;
  }

  .toast[data-kind="success"] { border-left-color: var(--vo-success); }
  .toast[data-kind="error"] { border-left-color: var(--vo-danger); }
}

@layer motion {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .has-js [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity var(--vo-duration-slow) ease,
      transform var(--vo-duration-slow) var(--vo-ease-out);
  }

  .has-js [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  @keyframes vo-spin {
    to { transform: rotate(1turn); }
  }

  @keyframes shimmer {
    to { transform: translateX(100%); }
  }

  @keyframes vo-toast-in {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
}

@layer utilities {
  .honeypot-row {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
  }

  .is-hidden,
  [hidden] {
    display: none !important;
  }

  .visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--vo-container));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}