/* ============================================
   CareerAI - Base Styles & Reset
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
  overflow-x: hidden !important;
  width: 100vw !important;
  max-width: 100vw !important;
  margin: 0 !important;
  padding: 0 !important;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden !important;
  width: 100vw !important;
  max-width: 100vw !important;
  min-height: 100vh;
  position: relative;
  overflow-wrap: break-word;
  word-wrap: break-word;
  margin: 0 !important;
  padding: 0 !important;
}

/* Custom Scrollbar - Desktop Only */
@media (min-width: 769px) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  ::-webkit-scrollbar-track {
    background: #f1f1f1;
  }

  ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    border-radius: 5px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #1e40af;
  }

  /* Firefox Scrollbar */
  * {
    scrollbar-width: thin;
    scrollbar-color: #2563eb #f1f1f1;
  }
}

/* Mobile: Hide custom scrollbar completely */
@media (max-width: 768px) {
  ::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
  }
  * {
    scrollbar-width: none !important;
  }
}

#app,
#main-content {
  overflow-x: hidden !important;
  overflow-y: visible;
  width: 100%;
  max-width: 100vw;
}

.main-container,
.layout {
  max-width: 100vw !important;
  box-sizing: border-box !important;
}

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

a,
button,
input,
select,
textarea,
.btn,
.card,
.accordion__header {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  -webkit-appearance: none;
}

ul,
ol {
  list-style: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

::selection {
  background: var(--color-primary);
  color: white;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  box-sizing: border-box;
}

.card {
  max-width: 100%;
  box-sizing: border-box;
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- Section --- */
.section {
  padding: var(--space-20) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-text-inverse);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--gradient-card);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

/* --- Text Utilities --- */
.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

@keyframes floatSlow {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-15px) rotate(5deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes spinSlow {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll-triggered animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback if user prefers reduced motion or instant reveal */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* Page transition */
.page-transition {
  animation: fadeIn 0.3s ease;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary-200);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* --- Accessibility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  right: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: white;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: var(--z-toast);
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 0;
}

/* --- Mobile Global Overflow & Spacing Fix --- */
@media (max-width: 768px) {
  * {
    max-width: 100%;
  }

  .section {
    padding: var(--space-12) 0;
    overflow-x: hidden;
  }

  .section__header {
    margin-bottom: var(--space-8);
  }

  .container {
    padding: 0 16px;
    width: 100%;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }

  .card,
  .tool-card,
  .job-card,
  .repeater-card,
  .builder-form-card,
  .feature-card {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    transform: none !important;
    transition: none !important;
  }

  .card:hover,
  .tool-card:hover,
  .job-card:hover,
  .feature-card:hover {
    transform: none !important;
  }

  .tool-input,
  .input-field,
  .form-input,
  .form-textarea,
  .form-select,
  input,
  textarea,
  select {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .tools-page-container,
  .tools-page,
  .tool-layout,
  .tool-content,
  .tool-form-card {
    overflow-x: hidden !important;
    padding: 0 15px !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .ad-banner-container {
    max-width: 100% !important;
    width: 100% !important;
    overflow: hidden;
  }

  table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
  }

  pre,
  code {
    overflow-x: auto;
    max-width: 100%;
    word-break: break-all;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-8) 0;
  }

  .section__header {
    margin-bottom: var(--space-6);
  }

  .container {
    padding: 0 14px;
  }
}