/* ============================================
   Global Styles - Hailuo AI Design System
   ============================================ */

/* Import design tokens */
@import url('variables.css');

/* ============================================
   BASE STYLES
   ============================================ */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}

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

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

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

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

p {
  margin: var(--space-md) 0;
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-accent-purple);
  text-decoration: none;
  transition: all var(--transition-base);
}

a:hover {
  color: var(--color-accent-pink);
  text-decoration: underline;
}

a:active {
  opacity: 0.8;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

/* Native App Form Label */
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 8px;
  display: block;
}

/* Native App Form Control */
.form-control,
.form-select {
  padding: 11px 13px;
  font-size: 14px;
  background-color: var(--color-bg-tertiary);
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  font-family: inherit;
  width: 100%;
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent-purple);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

/* Native App Help Text */
.form-help-text {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

/* Form Group Container */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
textarea,
select,
.sr-input,
.sr-select {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

input:focus,
textarea:focus,
select:focus,
.sr-input:focus,
.sr-select:focus,
.focused {
  outline: none;
  border-color: var(--color-accent-purple);
  background-color: var(--color-bg-secondary);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Checkbox Styling */
.sr-checkbox-label,
input[type="checkbox"] + label {
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  font-weight: var(--font-weight-regular);
}

.sr-checkbox-label input,
input[type="checkbox"] {
  opacity: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  cursor: pointer;
  margin: 0;
}

.sr-checkbox-check,
input[type="checkbox"] + label::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-right: var(--space-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: transparent;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.sr-checkbox-label input:checked ~ .sr-checkbox-check,
input[type="checkbox"]:checked + label::before {
  background: var(--color-accent-gradient);
  border-color: var(--color-accent-purple);
}

.sr-checkbox-label input:focus ~ .sr-checkbox-check,
input[type="checkbox"]:focus + label::before {
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

/* Select Styling */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: 36px;
  cursor: pointer;
}

select::-ms-expand {
  display: none;
}

/* ============================================
   BUTTONS
   ============================================ */

button,
.btn,
input[type="submit"],
input[type="button"],
input[type="reset"] {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-decoration: none;
  white-space: nowrap;
}

/* Primary Button */
button:not(.btn-secondary):not(.btn-ghost):not(.btn-link),
.btn-primary {
  background: var(--color-accent-gradient);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
  position: relative;
}

button:not(.btn-secondary):not(.btn-ghost):not(.btn-link):hover,
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 0.95;
}

button:not(.btn-secondary):not(.btn-ghost):not(.btn-link):active,
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-accent-purple);
  border: 2px solid var(--color-accent-purple);
}

.btn-secondary:hover {
  background: rgba(168, 85, 247, 0.1);
  border-color: var(--color-accent-pink);
  color: var(--color-accent-pink);
}

/* Ghost Button */
.btn-ghost,
.btn-link {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  box-shadow: none;
  padding: var(--space-sm) var(--space-md);
}

.btn-ghost:hover,
.btn-link:hover {
  color: var(--color-text-primary);
  text-decoration: underline;
}

/* Button Sizes */
.btn-sm {
  font-size: var(--font-size-sm);
  padding: var(--space-sm) var(--space-md);
}

.btn-lg {
  font-size: var(--font-size-lg);
  padding: var(--space-lg) var(--space-xl);
}

/* Full Width Button */
button.fullwidth,
.btn.fullwidth,
input[type="submit"].fullwidth {
  width: 100%;
}

/* Disabled Button */
button:disabled,
.btn:disabled,
input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   LAYOUT & SPACING
   ============================================ */

.sr-root {
  display: flex;
  flex-direction: row;
  width: 100%;
  padding: var(--space-lg);
  align-content: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0 auto;
  animation: fadeIn var(--transition-slow);
}

.sr-main,
.sr-content {
  display: flex;
  justify-content: center;
  height: 100%;
  align-self: center;
}

.sr-main {
  width: var(--form-width);
}

.sr-content {
  padding-left: var(--space-3xl);
}

.sr-header {
  margin-bottom: var(--space-2xl);
}

.sr-header__logo {
  height: 32px;
  background-size: contain;
  background-repeat: no-repeat;
  margin-bottom: var(--space-lg);
}

.sr-payment-summary {
  margin-bottom: var(--space-lg);
}

.sr-form-row {
  margin: var(--space-md) 0;
}

.sr-payment-form button,
.sr-payment-form .fullwidth {
  width: 100%;
}

.sr-legal-text {
  color: var(--color-text-secondary);
  text-align: center;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  margin-top: var(--space-md);
}

.sr-field-error {
  color: var(--color-error);
  text-align: left;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  margin-top: var(--space-sm);
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

.container {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.container:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card,
.sr-callout {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

/* ============================================
   CODE BLOCKS
   ============================================ */

code,
pre {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-xs);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  overflow-x: auto;
}

pre {
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

/* ============================================
   UTILITIES
   ============================================ */

.hidden {
  display: none !important;
}

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

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt {
  margin-top: var(--space-md);
}

.mb {
  margin-bottom: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}


/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.sr-root {
  animation: fadeIn var(--transition-slow);
  animation-fill-mode: both;
  animation-timing-function: ease;
}

.sr-payment-form .sr-form-row {
  animation: slideUp var(--transition-base);
  animation-fill-mode: both;
  animation-timing-function: ease;
}

.sr-payment-form .sr-form-row:nth-child(1) { animation-delay: 0ms; }
.sr-payment-form .sr-form-row:nth-child(2) { animation-delay: 60ms; }
.sr-payment-form .sr-form-row:nth-child(3) { animation-delay: 120ms; }
.sr-payment-form .sr-form-row:nth-child(4) { animation-delay: 180ms; }
.sr-payment-form .sr-form-row:nth-child(5) { animation-delay: 240ms; }
.sr-payment-form .sr-form-row:nth-child(6) { animation-delay: 300ms; }

/* ============================================
   SPINNER/LOADING
   ============================================ */

.spinner,
.spinner:before,
.spinner:after {
  border-radius: 50%;
}

.spinner {
  color: var(--color-text-primary);
  font-size: 22px;
  text-indent: -99999px;
  margin: 0 auto;
  position: relative;
  width: 20px;
  height: 20px;
  box-shadow: inset 0 0 0 2px;
  transform: translateZ(0);
  animation: spin 0.8s linear infinite;
}

.spinner:before,
.spinner:after {
  position: absolute;
  content: '';
}

.spinner:before {
  width: 10.4px;
  height: 20.4px;
  background: var(--color-accent-purple);
  border-radius: 20.4px 0 0 20.4px;
  top: -0.2px;
  left: -0.2px;
  transform-origin: 10.4px 10.2px;
  animation: spin 2s infinite ease 1.5s;
}

.spinner:after {
  width: 10.4px;
  height: 10.2px;
  background: var(--color-accent-purple);
  border-radius: 0 10.2px 10.2px 0;
  top: -0.1px;
  left: 10.2px;
  transform-origin: 0 10.2px;
  animation: spin 2s infinite ease;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .sr-root {
    flex-direction: column;
    padding: var(--space-lg) var(--space-md);
  }

  .sr-content {
    display: none;
  }

  .sr-main {
    width: 100%;
    max-width: var(--form-width);
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }
}

@media (max-width: 640px) {
  body {
    font-size: var(--font-size-sm);
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

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

  .sr-root {
    justify-content: flex-start;
    padding: var(--space-2xl) var(--space-md);
    min-height: auto;
  }

  .container,
  .card {
    padding: var(--space-md);
  }

  button,
  .btn,
  input[type="submit"] {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
  }

  .sr-root {
    animation: none;
  }

  .sr-payment-form .sr-form-row {
    animation: none;
  }
}

/* Pasha brand overrides */
:root {
  --accent-color: #a855f7;
  --headline-color: var(--color-text-primary);
}

.pasha-image-stack {
  display: grid;
  grid-gap: 12px;
  grid-template-columns: auto auto;
}

.pasha-image-stack img,
.pasha-image img {
  border-radius: var(--radius);
  background-color: var(--color-bg-tertiary);
  box-shadow: var(--shadow-lg);
  transition: all 0.8s ease;
  opacity: 0;
  max-width: 100%;
  height: auto;
}

.pasha-image {
  text-align: center;
  margin-top: var(--space-lg);
}

.pasha-image img {
  opacity: 1;
}

.pasha-image-stack img:nth-child(1) {
  transform: translate(30px, 15px);
  opacity: 1;
}

.pasha-image-stack img:nth-child(2) {
  transform: translate(-28px, 0px);
  opacity: 1;
}

.pasha-image-stack img:nth-child(3) {
  transform: translate(64px, -50px);
  opacity: 1;
}

.pasha-image-stack {
  margin-top: var(--space-lg);
}

.container:first-of-type {
  margin-right: var(--space-lg);
}

/* Quantity setter */
.quantity-setter {
  display: flex;
  justify-content: center;
  margin-top: var(--space-lg);
  gap: 0;
}

.quantity-setter input {
  border-radius: 0;
  width: 60px;
  padding: 0;
  text-align: center;
  border-right: none;
}

.quantity-setter .increment-btn {
  margin-top: 0;
  border-radius: 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  padding: 0 var(--space-md);
}

.quantity-setter .increment-btn:first-of-type {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.quantity-setter .increment-btn:last-of-type {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  border-right: 1px solid var(--color-border);
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-select {
  --bs-form-select-bg-img: none;
  margin-bottom: 0;
}

.form-text.text-muted {
  padding-left: var(--space-lg);
}

.choices__inner {
  border: none !important;
  background-color: transparent !important;
}

#submit {
  width: 100%;
}

/* ============================================
   RESPONSIVE DISPLAY UTILITIES
   ============================================ */

.d-none {
  display: none !important;
}

.d-block {
  display: block !important;
}

.d-flex {
  display: flex !important;
}

.d-grid {
  display: grid !important;
}

.d-inline {
  display: inline !important;
}

.d-inline-block {
  display: inline-block !important;
}

.d-inline-flex {
  display: inline-flex !important;
}

/* Medium and up (desktop) */
@media (min-width: 769px) {

  .d-md-block {
    display: block !important;
  }

  .d-md-flex {
    display: flex !important;
  }

  .d-md-grid {
    display: grid !important;
  }

  .d-md-inline {
    display: inline !important;
  }

  .d-md-inline-block {
    display: inline-block !important;
  }

  .d-md-inline-flex {
    display: inline-flex !important;
  }
}

/* Small screens (mobile) */
@media (max-width: 768px) {

  .d-md-block {
    display: none !important;
  }

  .d-md-flex {
    display: none !important;
  }

  .d-md-grid {
    display: none !important;
  }

  .d-md-inline {
    display: none !important;
  }

  .d-md-inline-block {
    display: none !important;
  }

  .d-md-inline-flex {
    display: none !important;
  }
}

/* ============================================
   COMPREHENSIVE MOBILE RESPONSIVENESS
   Ensures all content stays within viewport
   ============================================ */

@media (max-width: 1024px) {
  body,
  html {
    overflow-x: hidden;
  }

  .container,
  .i2v-container {
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

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

  iframe {
    max-width: 100%;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  body,
  html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
  }

  * {
    max-width: 100%;
  }

  .container,
  .i2v-container {
    max-width: 100%;
    padding-left: 12px;
    padding-right: 12px;
    margin: 0 auto;
  }

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

  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="tel"],
  input[type="date"],
  input[type="search"],
  textarea,
  select {
    width: 100%;
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 10px 12px;
  }

  button,
  .btn {
    max-width: 100%;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

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

@media (max-width: 480px) {
  body,
  html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }

  * {
    max-width: 100vw;
    box-sizing: border-box;
  }

  .container,
  .i2v-container {
    padding-left: 8px;
    padding-right: 8px;
    width: 100%;
    max-width: 100%;
  }

  h1 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
  }

  h2 {
    font-size: clamp(1.25rem, 4vw, 2rem);
  }

  h3 {
    font-size: clamp(1.1rem, 3.5vw, 1.75rem);
  }

  h4 {
    font-size: clamp(1rem, 3vw, 1.5rem);
  }

  h5,
  h6 {
    font-size: var(--font-size-base);
  }

  p {
    font-size: clamp(0.875rem, 2vw, 1rem);
  }

  img,
  video,
  iframe {
    max-width: 100%;
    height: auto;
    display: block;
    margin-left: 0;
    margin-right: 0;
  }

  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="tel"],
  input[type="date"],
  input[type="search"],
  textarea,
  select {
    width: 100% !important;
    font-size: 16px !important;
    padding: 10px 12px !important;
    max-width: 100% !important;
  }

  button,
  .btn,
  a.btn {
    width: 100%;
    max-width: 100%;
    padding: 10px 12px !important;
    font-size: 13px !important;
    border-radius: 6px !important;
  }

  .btn-lg {
    padding: 11px 14px !important;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  pre,
  code {
    overflow-x: auto;
    max-width: 100%;
    font-size: 12px;
  }

  /* Utility margins/padding for mobile */
  .mx-auto {
    margin-left: 8px !important;
    margin-right: 8px !important;
  }

  .px-3 {
    padding-left: 8px !important;
    padding-right: 8px !important;
  }

  /* Prevent margin/padding from causing overflow */
  [class*="margin"],
  [class*="padding"] {
    max-width: 100%;
  }
}