:root {
  --ksa-black: #000000;
  --ksa-dark-grey: #1a1a1a;
  --ksa-red: #e31837;
  --ksa-blue: #004b8d;
  --ksa-white: #ffffff;
  --ksa-muted: #b3b3b3;
  --radius-input: 0.5vh;
  --radius-card: 1vh;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background-color: var(--ksa-black);
  color: var(--ksa-white);
  font-family: "Poppins", system-ui, -apple-system, sans-serif;
  padding: env(safe-area-inset-top, 0) env(safe-area-inset-right, 0)
    env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
}

.ksa-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100dvh;
}

.ksa-header {
  width: 100%;
  background-color: var(--ksa-dark-grey);
  padding: 2vh max(16px, 4vw);
  border-bottom: 0.3vh solid var(--ksa-red);
  text-align: center;
  box-shadow: 0 0.5vh 1vh rgba(0, 0, 0, 0.5);
}

.ksa-header img {
  height: clamp(40px, 8vh, 64px);
  width: auto;
}

.ksa-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  padding: clamp(32px, 10vh, 80px) max(16px, 4vw) 32px;
}

.search-card {
  width: min(100%, 500px);
  margin: 0 auto;
  text-align: center;
  padding: clamp(24px, 4vh, 40px) clamp(20px, 4vw, 32px);
  background-color: var(--ksa-dark-grey);
  border-radius: var(--radius-card);
  box-shadow: 0 0 2vh rgba(0, 0, 0, 0.5);
}

.search-card h1 {
  margin: 0 0 clamp(12px, 2vh, 20px);
  font-size: clamp(1.5rem, 4.5vw, 2.2rem);
  font-weight: 500;
  color: var(--ksa-white);
}

.lead {
  margin: 0 0 clamp(20px, 3vh, 28px);
  font-size: clamp(0.9rem, 2.8vw, 1.1rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--ksa-white);
}

.input-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vh, 20px);
  align-items: center;
  margin-bottom: clamp(20px, 3vh, 28px);
}

.input-stack input {
  width: min(100%, 300px);
  padding: clamp(12px, 1.5vh, 16px) clamp(14px, 2vw, 18px);
  font-size: clamp(0.95rem, 2.5vw, 1rem);
  font-family: inherit;
  border: none;
  border-radius: var(--radius-input);
  background: var(--ksa-white);
  color: var(--ksa-black);
}

.input-stack input::placeholder {
  color: #888;
}

.input-stack input:focus {
  outline: 2px solid var(--ksa-blue);
  outline-offset: 2px;
}

.btn-search {
  width: min(100%, 200px);
  padding: clamp(12px, 1.5vh, 16px) clamp(20px, 3vw, 28px);
  background-color: var(--ksa-blue);
  color: var(--ksa-white);
  border: none;
  border-radius: var(--radius-input);
  font-family: inherit;
  font-size: clamp(0.95rem, 2.5vw, 1rem);
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 0.2s ease;
}

.btn-search:hover {
  background-color: var(--ksa-red);
}

.btn-search:active {
  transform: scale(0.98);
}

.utilities {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  justify-content: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.utilities button {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  background: transparent;
  color: var(--ksa-muted);
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  touch-action: manipulation;
}

.utilities button:hover {
  color: var(--ksa-white);
}

.btn-clear-saved {
  color: #f87171;
}

.btn-clear-saved:hover {
  color: #fca5a5;
}

details.advanced {
  margin-top: 20px;
  text-align: left;
  font-size: 0.8125rem;
  color: var(--ksa-muted);
}

details.advanced summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ksa-muted);
}

details.advanced .advanced-hint {
  margin: 10px 0 0;
  line-height: 1.45;
}

details.advanced code {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ksa-white);
}

details.advanced textarea {
  width: 100%;
  margin-top: 10px;
  min-height: 72px;
  resize: vertical;
  font-size: 0.75rem;
  font-family: ui-monospace, monospace;
  padding: 10px;
  border-radius: var(--radius-input);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.35);
  color: var(--ksa-white);
}

.hint {
  margin-top: 20px;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ksa-muted);
}

.toast {
  position: fixed;
  bottom: max(20px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--ksa-dark-grey);
  color: var(--ksa-white);
  padding: 12px 20px;
  border-radius: var(--radius-input);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 100;
  max-width: calc(100% - 32px);
  text-align: center;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}