:root {
  --primary: rgba(102, 163, 255, 0.92);
  --primary-dark: rgba(72, 129, 231, 0.95);
  --primary-light: rgba(102, 163, 255, 0.22);
  --background: #eaf0ff;
  --surface: rgba(255, 255, 255, 0.18);
  --surface-strong: rgba(255, 255, 255, 0.28);
  --glass-border: rgba(255, 255, 255, 0.42);
  --text: rgba(18, 27, 52, 0.92);
  --text-secondary: rgba(18, 27, 52, 0.68);
  --shadow: rgba(15, 23, 42, 0.12);
  --success: rgba(52, 199, 89, 0.88);
  --error: rgba(255, 69, 58, 0.92);
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 18%, rgba(173, 210, 255, 0.65), transparent 55%),
    radial-gradient(circle at 78% 10%, rgba(255, 208, 243, 0.45), transparent 52%),
    radial-gradient(circle at 22% 82%, rgba(170, 255, 235, 0.38), transparent 55%),
    linear-gradient(135deg, #e2e8ff 0%, #f7f9ff 100%);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px 48px;
}

.status-message {
  margin: 0 auto 24px;
  max-width: 900px;
  padding: 16px 22px;
  border-radius: 20px;
  font-size: 15px;
  line-height: 1.6;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(22px);
  text-align: right;
  direction: rtl;
  color: var(--text);
  box-shadow: 0 28px 60px var(--shadow);
}

.status-info {
  color: rgba(37, 94, 201, 0.95);
}
.status-success {
  color: rgba(18, 137, 76, 0.95);
}
.status-error {
  color: rgba(179, 40, 40, 0.95);
}

.announcement {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 28px 32px;
  margin: 20px auto 36px;
  max-width: 900px;
  font-size: 15px;
  line-height: 1.7;
  box-shadow: 0 38px 70px var(--shadow);
  backdrop-filter: blur(28px);
}

.announcement__content {
  text-align: left;
  direction: ltr;
}

.announcement__content--rtl {
  text-align: right;
  direction: rtl;
}

.announcement__content--rtl .announcement__title {
  /* keep bilingual header left-aligned for readability */
  text-align: left;
}

.announcement__title {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}

.announcement__list {
  margin: 0;
  padding: 0 0 0 20px;
  list-style: disc;
}

.announcement__content--rtl .announcement__list {
  padding: 0 20px 0 0;
  list-style-position: inside;
}

.logo-container {
  text-align: center;
  margin-bottom: 48px;
}

h1 {
  margin: 0 0 48px;
  font-size: 42px;
  font-weight: 700;
  text-align: center;
  background: linear-gradient(135deg, rgba(68, 110, 255, 0.92), rgba(147, 207, 255, 0.95));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.6px;
}

h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 26px;
  color: var(--text);
}

.section {
  background: var(--surface);
  border-radius: 28px;
  padding: 38px;
  margin-bottom: 36px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 42px 82px var(--shadow);
  backdrop-filter: blur(26px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.section:hover {
  transform: translateY(-6px);
  box-shadow: 0 48px 90px rgba(15, 23, 42, 0.16);
  border-color: rgba(255, 255, 255, 0.62);
}

.form-group {
  margin-bottom: 26px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

input,
select {
  width: 100%;
  padding: 16px 18px;
  font-size: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.22);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  box-sizing: border-box;
  backdrop-filter: blur(18px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

input:focus,
select:focus {
  border-color: rgba(102, 163, 255, 0.85);
  box-shadow: 0 0 0 4px var(--primary-light);
}

input:disabled,
select:disabled {
  background: rgba(255, 255, 255, 0.16);
  cursor: not-allowed;
  opacity: 0.7;
}

button {
  display: block;
  width: 100%;
  padding: 16px;
  font-size: 16px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: linear-gradient(135deg, rgba(96, 158, 255, 0.92), rgba(156, 200, 255, 0.98));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  margin-bottom: 26px;
  position: relative;
  overflow: hidden;
}

button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity 0.2s ease;
}

button:hover::after {
  opacity: 1;
}

button:disabled {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.4);
  color: rgba(255, 255, 255, 0.62);
  cursor: default;
}

button:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 26px 48px rgba(96, 158, 255, 0.36);
  filter: saturate(1.05);
}

button:not(:disabled):active {
  transform: translateY(1px);
  box-shadow: none;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 34px 72px var(--shadow);
  backdrop-filter: blur(24px);
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  text-align: left;
  font-size: 14px;
  color: var(--text);
}

th {
  background: rgba(255, 255, 255, 0.28);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.6px;
}

tr:last-child td {
  border-bottom: none;
}

#colorCards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.color-card {
  position: relative;
  padding: 22px;
  border-radius: 20px;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 28px 52px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.color-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 36px 60px rgba(0, 0, 0, 0.22);
}

.color-card .remove-btn,
.color-card .item-number {
  position: absolute;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 10px;
  padding: 4px 8px;
  font-size: 11px;
  backdrop-filter: blur(4px);
}

.color-card .remove-btn {
  top: 10px;
  right: 6px;
  cursor: pointer;
}

.color-card .item-number {
  bottom: 10px;
  right: 6px;
}

#sumPreviewContainer p {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  margin: 0;
}

#sumPreviewContainer p:last-child {
  border-bottom: none;
}

#sumPreviewContainer strong {
  background: rgba(255, 255, 255, 0.24);
  padding: 4px 12px;
  border-radius: 10px;
  color: var(--primary-dark);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  background: var(--primary);
  color: white;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 8px;
  box-shadow: 0 12px 22px rgba(102, 163, 255, 0.35);
}

.table-container {
  overflow-x: auto;
  border-radius: 22px;
  box-shadow: 0 34px 72px var(--shadow);
}

.summary-grid {
  display: grid;
  gap: 18px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 22px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(22px);
}

.file-upload {
  position: relative;
  width: 100%;
}

.file-upload input[type="file"] {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 38px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px dashed rgba(255, 255, 255, 0.55);
  border-radius: 26px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  box-shadow: 0 34px 70px var(--shadow);
  backdrop-filter: blur(24px);
}

.file-upload-label:hover {
  border-color: rgba(96, 158, 255, 0.82);
  background: rgba(96, 158, 255, 0.18);
  transform: translateY(-3px);
}

.file-upload-label i {
  font-size: 34px;
  color: var(--primary);
}

.file-upload-label span {
  color: var(--text-secondary);
  font-size: 14px;
}

.selected-files {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  font-size: 14px;
  color: var(--text);
  backdrop-filter: blur(18px);
}

.file-item .file-name {
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-item .file-name i {
  color: var(--primary);
}

.file-item .remove-file {
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.file-item .remove-file:hover {
  color: var(--error);
  background: rgba(96, 158, 255, 0.14);
}

.suggestions {
  margin-top: 10px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.22);
  max-height: 240px;
  overflow-y: auto;
  box-shadow: 0 32px 68px var(--shadow);
  backdrop-filter: blur(22px);
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.suggestion-item__swatch {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}

.suggestion-item__body {
  flex: 1;
}

.suggestion-item[aria-selected="true"],
.suggestion-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.suggestion-item__title {
  font-size: 15px;
  font-weight: 600;
  color: inherit;
}

.suggestion-item__subtitle {
  display: none;
}

footer {
  text-align: center;
  padding: 26px;
  color: var(--text-secondary);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  margin-top: 60px;
  backdrop-filter: blur(22px);
  box-shadow: 0 -12px 40px rgba(15, 23, 42, 0.08);
}

@media (max-width: 768px) {
  .container {
    padding: 28px 18px 36px;
  }

  h1 {
    font-size: 34px;
  }

  .section {
    padding: 30px 22px;
  }

  #colorCards {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}