/* ═══════════════════════════════════════════
   BASE — variables, reset, shared components
═══════════════════════════════════════════ */
:root {
  --bg:        #f2f3f7;
  --surface:   #ffffff;
  --border:    #e0e2eb;
  --border-strong: #c8cad8;

  --accent:    #5b5ef4;
  --accent2:   #f43f5e;
  --success:   #10b981;
  --warn:      #f59e0b;
  --danger:    #f43f5e;

  --text:      #1a1a2e;
  --text-mid:  #4a4d6a;
  --text-dim:  #8890a4;

  --mono: 'Share Tech Mono', monospace;
  --sans: 'Rajdhani', sans-serif;

  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── pages ── */
.page { display: none; min-height: 100vh; flex-direction: column; }
.page.active { display: flex; }

/* ── nav ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.logo {
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 700;
}
.nav-tabs { display: flex; gap: 4px; }
.nav-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 16px;
  cursor: pointer;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.18s;
}
.nav-tab:hover  { color: var(--text); background: var(--bg); }
.nav-tab.active { color: var(--accent); border-color: var(--accent); background: #5b5ef415; }

/* ── buttons ── */
.btn {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 20px;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  transition: all 0.15s;
}
.btn-primary   { background: var(--accent); color: #fff; box-shadow: 0 2px 8px #5b5ef440; }
.btn-primary:hover   { background: #4345d4; box-shadow: 0 4px 12px #5b5ef455; }
.btn-secondary { background: var(--surface); border: 1px solid var(--border); color: var(--text-mid); }
.btn-secondary:hover { border-color: var(--border-strong); color: var(--text); }
.btn-danger    { background: transparent; border: 1px solid var(--danger); color: var(--danger); border-radius: var(--radius); }
.btn-danger:hover    { background: var(--danger); color: #fff; }
.btn-success   { background: var(--success); color: #fff; }
.btn-success:hover   { background: #0da271; }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── form ── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-weight: 600;
}
.form-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 8px 11px;
  outline: none;
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #5b5ef420;
}
.form-input[type="range"] {
  padding: 4px 0; border: none; background: none; box-shadow: none;
  cursor: pointer; accent-color: var(--accent);
}
.form-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 11px;
  outline: none;
  cursor: pointer;
  appearance: none;
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #5b5ef420; }
.range-val { font-family: var(--mono); font-size: 12px; color: var(--accent); min-width: 44px; text-align: right; font-weight: 700; }
.form-actions { display: flex; gap: 8px; margin-top: 18px; }

/* ── section title ── */
.section-title {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
}

/* ── color swatches ── */
.color-row { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow-sm);
}
.color-swatch:hover  { transform: scale(1.2); }
.color-swatch.active { border-color: var(--text); box-shadow: 0 0 0 3px #5b5ef430; }

/* ── overlay ── */
.overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(26,26,46,0.55);
  backdrop-filter: blur(4px);
  z-index: 100; align-items: center; justify-content: center;
}
.overlay.active { display: flex; }
.overlay-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 44px 52px;
  text-align: center;
  min-width: 300px;
  box-shadow: var(--shadow-md);
}
.overlay-title {
  font-family: var(--mono); font-size: 10px; letter-spacing: 5px;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 10px;
}
.overlay-winner { font-size: 36px; font-weight: 700; letter-spacing: 2px; margin-bottom: 8px; color: var(--accent); }
.overlay-sub { font-family: var(--mono); font-size: 12px; color: var(--text-dim); margin-bottom: 28px; }
.overlay-actions { display: flex; gap: 12px; justify-content: center; }

/* ── empty state ── */
.empty-state {
  grid-column: 1/-1; text-align: center; padding: 56px 32px;
  color: var(--text-dim); font-family: var(--mono);
  font-size: 12px; letter-spacing: 2px;
}

/* ── image upload ── */
.img-upload-btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 1px;
  color: var(--text-dim); border: 1.5px dashed var(--border);
  padding: 7px 13px; cursor: pointer; transition: all 0.2s;
  text-transform: uppercase; border-radius: var(--radius);
}
.img-upload-btn:hover { border-color: var(--accent); color: var(--accent); background: #5b5ef408; }
.img-preview-wrap { display: flex; align-items: center; gap: 10px; }
.img-clear-btn {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  cursor: pointer; font-size: 15px; width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; transition: all 0.2s;
}
.img-clear-btn:hover { border-color: var(--danger); color: var(--danger); }

/* ── card action buttons ── */
.card-btn-delete, .card-btn-edit {
  position: absolute; top: 8px;
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 14px; line-height: 1; padding: 2px 5px;
  border-radius: 4px; transition: all 0.15s;
}
.card-btn-delete { right: 8px; }
.card-btn-delete:hover { color: var(--danger); background: #f43f5e15; }
.card-btn-edit   { right: 28px; }
.card-btn-edit:hover   { color: var(--accent); background: #5b5ef415; }

/* ── scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; }