:root {
      --zik-bg: #0c0c0e;
      --zik-surface: #141416;
      --zik-border: #2a2a2f;
      --zik-accent: #1AFF7A;
      --zik-accent2: #ff4f6d;
      --zik-text: #f0f0f0;
      --zik-muted: #7a7a88;
    }

    * { box-sizing: border-box; }

    body {
      background-color: var(--zik-bg);
      color: var(--zik-text);
      font-family: 'DM Sans', sans-serif;
      font-weight: 300;
      min-height: 100vh;
    }

    /* Glow blob */
    .glow-blob {
      position: fixed;
      border-radius: 50%;
      filter: blur(120px);
      pointer-events: none;
      z-index: 0;
    }
    .glow-blob-1 {
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(26,255,122,0.07) 0%, transparent 70%);
      top: -100px;
      left: -100px;
    }
    .glow-blob-2 {
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255,79,109,0.05) 0%, transparent 70%);
      bottom: 0;
      right: -80px;
    }

    /* Header */
    header {
      position: relative;
      z-index: 10;
      padding: 1.5rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #1a1a20;
    }

    .logo {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 1.6rem;
      letter-spacing: 0.1em;
    }

    .bebas { font-family: 'Bebas Neue', sans-serif; letter-spacing: 0.04em; }

    /* Grain overlay */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
      opacity: 0.4;
    }

    .accent-line {
      width: 40px;
      height: 3px;
      background: var(--zik-accent);
      display: inline-block;
    }

    /* Custom inputs */
    .zik-input, .zik-select, .zik-textarea {
      background: var(--zik-surface);
      border: 1px solid var(--zik-border);
      color: var(--zik-text);
      font-family: 'DM Sans', sans-serif;
      font-weight: 300;
      font-size: 0.95rem;
      width: 100%;
      padding: 0.8rem 1rem;
      border-radius: 4px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .zik-input:focus, .zik-select:focus, .zik-textarea:focus {
      border-color: var(--zik-accent);
      box-shadow: 0 0 0 2px rgba(232,255,71,0.1);
    }
    .zik-input::placeholder, .zik-textarea::placeholder {
      color: var(--zik-muted);
    }
    .zik-select option {
      background: var(--zik-surface);
    }
    .zik-textarea { resize: vertical; min-height: 110px; }

    /* Upload zone */
    .upload-zone {
      border: 1.5px dashed var(--zik-border);
      background: var(--zik-surface);
      border-radius: 4px;
      cursor: pointer;
      transition: border-color 0.2s, background 0.2s;
      position: relative;
      overflow: hidden;
    }
    .upload-zone:hover, .upload-zone.dragging {
      border-color: var(--zik-accent);
      background: rgba(232,255,71,0.03);
    }
    .upload-zone input[type="file"] {
      position: absolute;
      inset: 0;
      opacity: 0;
      cursor: pointer;
      width: 100%;
      height: 100%;
    }
    #preview-img {
      display: none;
      width: 100%;
      max-height: 220px;
      object-fit: cover;
      border-radius: 4px;
    }

    /* Concert rows */
    .concert-row {
      background: var(--zik-surface);
      border: 1px solid var(--zik-border);
      border-radius: 6px;
      padding: 1.2rem;
      position: relative;
      animation: slideIn 0.2s ease;
    }
    @keyframes slideIn {
      from { opacity: 0; transform: translateY(-8px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* Toggle tarif */
    .toggle-pill {
      display: flex;
      border: 1px solid var(--zik-border);
      border-radius: 4px;
      overflow: hidden;
    }
    .toggle-pill label {
      flex: 1;
      text-align: center;
      padding: 0.55rem 0.5rem;
      cursor: pointer;
      font-size: 0.85rem;
      color: var(--zik-muted);
      transition: background 0.15s, color 0.15s;
      user-select: none;
    }
    .toggle-pill input[type="radio"] { display: none; }
    .toggle-pill input[type="radio"]:checked + label {
      background: var(--zik-accent);
      color: #0c0c0e;
      font-weight: 500;
    }

    /* Submit btn */
    .btn-submit {
      background: var(--zik-accent);
      color: #0c0c0e;
      font-family: 'Bebas Neue', sans-serif;
      font-size: 1.2rem;
      letter-spacing: 0.08em;
      padding: 1rem 2.5rem;
      border: none;
      cursor: pointer;
      border-radius: 4px;
      transition: transform 0.15s, box-shadow 0.15s;
    }
    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(232,255,71,0.2);
    }
    .btn-submit:active { transform: translateY(0); }

    /* Add btn */
    .btn-add {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.85rem;
      color: var(--zik-accent);
      background: transparent;
      border: 1px solid rgba(232,255,71,0.3);
      padding: 0.5rem 1rem;
      border-radius: 4px;
      cursor: pointer;
      transition: background 0.15s;
      font-family: 'DM Sans', sans-serif;
    }
    .btn-add:hover { background: rgba(232,255,71,0.06); }

    .btn-remove {
      position: absolute;
      top: 0.75rem;
      right: 0.75rem;
      background: transparent;
      border: none;
      color: var(--zik-muted);
      cursor: pointer;
      font-size: 1.1rem;
      line-height: 1;
      padding: 4px;
      border-radius: 2px;
      transition: color 0.15s;
    }
    .btn-remove:hover { color: var(--zik-accent2); }

    /* Label */
    .field-label {
      display: block;
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--zik-muted);
      margin-bottom: 0.4rem;
    }
    .field-required::after {
      content: ' *';
      color: var(--zik-accent2);
    }

    /* Section title */
    .section-num {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 0.85rem;
      color: var(--zik-accent);
      letter-spacing: 0.15em;
    }

    /* Success state */
    #success-msg {
      display: none;
      text-align: center;
      padding: 3rem 2rem;
      animation: fadeIn 0.4s ease;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* Scrollbar */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--zik-bg); }
    ::-webkit-scrollbar-thumb { background: var(--zik-border); border-radius: 3px; }