/* Design tokens — Adveencha LLC brand.
   Palette: brand navy #2c3b50, near-black ink, white ground. Nothing else.
   Type: Georgia (the single branding font) for both headings and body.
   Linked from head.php BEFORE main.css, which depends on these
   custom properties. Georgia is a system font, so nothing is fetched
   from head.php for it. */

:root {
  /* ---- Core roles ---- */
  --color-bg: #ffffff;         /* page ground — white */
  --color-surface: #f4f7f9;    /* image mats, panels — barely-there tint */
  --color-text: #14181b;       /* near-black ink */
  --color-accent: #2c3b50;     /* brand navy */
  --color-divider: color-mix(in srgb, #14181b 14%, transparent);

  /* ---- Neutral ramp (near-black → white) ---- */
  --color-neutral-100: #f7f9fa;
  --color-neutral-200: #eceff1;
  --color-neutral-300: #dde2e6;
  --color-neutral-400: #b9c1c7;
  --color-neutral-500: #8d979e;
  --color-neutral-600: #667077;
  --color-neutral-700: #454d53;
  --color-neutral-800: #2a3137;
  --color-neutral-900: #14181b;

  /* ---- Accent ramp (one hue, light → dark, base at 500) ---- */
  --color-accent-100: #eeeff1;
  --color-accent-200: #d5d8dc;
  --color-accent-300: #afb5bc;
  --color-accent-400: #78828f;
  --color-accent-500: #2c3b50;
  --color-accent-600: #263345;
  --color-accent-700: #202a3a;  /* accent at body-copy size — passes on white */
  --color-accent-800: #19212d;
  --color-accent-900: #121820;

  /* ---- Type ---- */
  --font-heading: "Georgia", "Times New Roman", serif;
  --font-heading-weight: 700;   /* Georgia's bold weight, for contrast against body copy */
  --font-body: "Georgia", "Times New Roman", serif;

  /* ---- Space — generous scale; the site breathes on this ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 14px;
  --space-4: 22px;
  --space-6: 40px;
  --space-8: 72px;
  --space-10: 112px;
  --space-12: 160px;

  --radius-md: 0px;   /* nothing rounded */
  --radius-sm: 0px;
  --radius-lg: 0px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #14181b 10%, transparent);
  --shadow-md: 0 4px 14px color-mix(in srgb, #14181b 10%, transparent);
  --shadow-lg: 0 18px 44px color-mix(in srgb, #14181b 14%, transparent);
}

/* ══════════════════════════════════════════════════════════════════
   Base
   ══════════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  text-wrap: balance;
}
h1 { font-size: clamp(34px, 8vw, 54px); }
h2 { font-size: clamp(27px, 5.5vw, 38px); }
h3 { font-size: 22px; }
h4 { font-size: 19px; }

p { margin: 0 0 var(--space-4); text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

a { color: var(--color-accent-700); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); border-color: var(--color-accent); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
::selection { background: color-mix(in srgb, var(--color-accent) 28%, transparent); }

/* ══════════════════════════════════════════════════════════════════
   Components
   ══════════════════════════════════════════════════════════════════ */

/* — rule — */
.hr { height: 1px; border: 0; margin: var(--space-8) 0; background: var(--color-divider); }

/* — buttons — flush-left labels, square corners.
   Sentence-case at 15px rather than tracked-out caps: admin labels like
   "+ Add another image" have to be read, not just recognised. */
.btn {
  display: inline-flex; align-items: center; justify-content: flex-start; gap: var(--space-2);
  cursor: pointer; text-decoration: none; border-bottom: 0;
  font-family: var(--font-body); font-weight: 600;
  font-size: 15px; line-height: 1.2; letter-spacing: 0;
  color: var(--color-text);
  background: transparent; border: 1.5px solid transparent;
  min-height: 46px;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: background 120ms linear, color 120ms linear, border-color 120ms linear;
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-600); border-color: var(--color-accent-600); color: #fff; }
.btn-primary:active { background: var(--color-accent-700); border-color: var(--color-accent-700); }

.btn-secondary { border-color: var(--color-neutral-800); color: var(--color-text); }
.btn-secondary:hover { background: var(--color-neutral-900); border-color: var(--color-neutral-900); color: #fff; }
.btn-secondary:active { background: var(--color-neutral-800); border-color: var(--color-neutral-800); color: #fff; }

/* inline text action (table "Edit") — reads as a link, sized like a button */
.btn-ghost {
  color: var(--color-accent-700); min-height: 36px;
  padding-inline: var(--space-2);
  box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--color-accent) 45%, transparent);
}
.btn-ghost:hover { background: var(--color-accent-100); color: var(--color-accent-800); box-shadow: inset 0 -1px 0 var(--color-accent); }
.btn-ghost:active { background: var(--color-accent-200); }

/* destructive — outlined until hover, so a Delete never out-shouts Save */
.btn-danger { border-color: var(--color-neutral-600); color: var(--color-neutral-700); min-height: 36px; }
.btn-danger:hover { background: var(--color-neutral-900); border-color: var(--color-neutral-900); color: #fff; }
.btn-danger:active { background: var(--color-neutral-800); border-color: var(--color-neutral-800); color: #fff; }

.btn-block { width: 100%; margin-top: var(--space-3); justify-content: flex-start; text-align: left; }
.btn-icon { width: 46px; height: 46px; padding: 0; justify-content: center; }
.btn-sm { min-height: 36px; font-size: 14px; padding-inline: var(--space-3); }

/* — form fields — labels read at text size in full ink; the control's
   edge is a real 1.5px line so an empty field is unmistakably a field */
.field { margin-bottom: var(--space-4); }
.field > label:not(.radio, .checkbox) {
  display: block; font-size: 15px; font-weight: 600; letter-spacing: 0;
  line-height: 1.4; margin-bottom: var(--space-2); color: var(--color-text);
}
.input {
  display: block;
  width: 100%; min-height: 50px;
  padding: var(--space-3) var(--space-3);
  font: inherit; font-size: 16px; line-height: 1.5;
  color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-bg);
  border: 1.5px solid var(--color-neutral-600); border-radius: var(--radius-md);
  transition: border-color 120ms linear, box-shadow 120ms linear;
}
.input::placeholder { color: var(--color-neutral-500); }
.input:hover { border-color: var(--color-neutral-900); }
.input:focus,
.input:focus-visible {
  border-color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-accent);
  outline: none;
}
.input:disabled { background: var(--color-neutral-100); color: var(--color-neutral-600); }
textarea.input { min-height: 180px; resize: vertical; line-height: 1.7; }

/* select — native chrome replaced with our own caret so it matches the
   text inputs instead of rendering as an OS widget */
select.input {
  appearance: none; -webkit-appearance: none;
  padding-right: calc(var(--space-6) + var(--space-2));
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text) 50%),
                    linear-gradient(135deg, var(--color-text) 50%, transparent 50%);
  background-position: right calc(var(--space-4) + 5px) center, right var(--space-4) center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

/* file input — the native button gets our button styling */
input[type="file"].input {
  padding: var(--space-2); cursor: pointer;
  font-size: 15px; color: var(--color-neutral-700);
  display: flex; align-items: center;
}
input[type="file"].input::file-selector-button {
  font: inherit; font-weight: 600; font-size: 15px;
  color: var(--color-text); background: var(--color-neutral-200);
  border: 1.5px solid var(--color-neutral-800); border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3); margin-right: var(--space-3);
  cursor: pointer;
}
input[type="file"].input:hover::file-selector-button { background: var(--color-neutral-900); border-color: var(--color-neutral-900); color: #fff; }

/* helper line under a field or section label */
.field-help,
.fs-sm { color: var(--color-neutral-700); }

/* — radio — */
.radio { display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer; font-size: 16px; font-weight: 600; min-height: 44px; }
.radio input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.radio .dot { width: 20px; height: 20px; flex: none; border-radius: 50%; border: 1.5px solid var(--color-neutral-600); }
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot { border-color: var(--color-accent); background: var(--color-accent); box-shadow: inset 0 0 0 4px var(--color-bg); }
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* — checkbox — */
.checkbox { display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer; font-size: 16px; font-weight: 600; min-height: 44px; }
.checkbox input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.checkbox .box {
  width: 20px; height: 20px; flex: none; position: relative;
  border: 1.5px solid var(--color-neutral-600); border-radius: var(--radius-md); background: var(--color-bg);
}
.checkbox:hover .box { border-color: var(--color-accent); }
.checkbox input:checked + .box { border-color: var(--color-accent); background: var(--color-accent); }
.checkbox input:checked + .box::after {
  content: ''; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.checkbox input:focus-visible + .box { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* — tags — used for the medium filter and admin post status */
.tag {
  display: inline-flex; align-items: center;
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md); border: 1px solid transparent;
  text-decoration: none; border-bottom-width: 1px;
  transition: background 120ms linear, color 120ms linear, border-color 120ms linear;
}
.tag-accent { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.tag-accent:hover { background: var(--color-accent-600); border-color: var(--color-accent-600); color: #fff; }
.tag-outline { border-color: var(--color-neutral-300); color: var(--color-neutral-700); }
.tag-outline:hover { border-color: var(--color-accent); color: var(--color-accent-700); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-700); }

/* — tables — admin post list */
.table { width: 100%; border-collapse: collapse; font-size: 16px; }
.table th {
  text-align: left; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-neutral-700); font-weight: 600;
  padding: var(--space-3); border-bottom: 1.5px solid var(--color-text);
  white-space: nowrap;
}
.table td { padding: var(--space-3); border-bottom: 1px solid var(--color-divider); vertical-align: middle; }
.table tbody tr:hover { background: var(--color-neutral-100); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center; padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 55%, transparent);
}
.dialog {
  width: min(480px, 100%); display: flex; flex-direction: column; gap: var(--space-4);
  padding: var(--space-6); border-radius: var(--radius-lg);
  background: var(--color-bg); box-shadow: var(--shadow-lg);
}
.dialog-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 24px; }
.dialog-body { font-size: 15px; color: var(--color-neutral-700); }
.dialog-actions { display: flex; justify-content: flex-start; gap: var(--space-2); margin-top: var(--space-2); }

/* — imagery — photographs print flat, never tinted */
.grayscale img { filter: grayscale(1); }