/* ==========================================================================
   iTradeAIMS Portal Theme - Global Styles
   ========================================================================== */

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-base);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Accessibility */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: #1c2433;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2a374d;
}

/* Primary Button (Apple/Linear with Highlight Edge & Ambient Glow) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  background: linear-gradient(180deg, #007aff 0%, #0056cc 100%);
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 8px 24px -4px rgba(0, 122, 255, 0.55);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, #0a84ff 0%, #0062d2 100%);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 12px 32px -4px rgba(0, 122, 255, 0.75);
  color: #ffffff;
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Secondary Button (Translucent Hairline Glass) */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 13px 24px;
  background: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 122, 255, 0.4);
  color: #ffffff;
  transform: translateY(-2px);
}