/***************************************************
 * RICHCAN MECHANICAL
 * PARTNER SERVICE REQUEST PORTAL V1
 *
 * STYLE.CSS
 ***************************************************/


/***************************************************
 * 1. GLOBAL VARIABLES & RESET
 ***************************************************/

:root {

  --primary: #123657;
  --primary-dark: #0b263f;
  --primary-light: #1b527d;

  --accent: #087eaa;
  --accent-hover: #06678c;

  --background: #f3f6fa;
  --surface: #ffffff;

  --text-primary: #1c2d3d;
  --text-secondary: #617487;

  --border: #d9e2eb;
  --border-focus: #087eaa;

  --success: #18784a;
  --success-bg: #eaf7ef;

  --error: #b42318;
  --error-bg: #fff0ee;

  --radius: 10px;

  --shadow:
    0 8px 28px rgba(18, 54, 87, 0.08);

  --transition: 0.2s ease;

}


* {

  box-sizing: border-box;

}


html {

  font-size: 16px;
  -webkit-text-size-adjust: 100%;

}


body {

  margin: 0;
  padding: 0;

  min-height: 100vh;

  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;

  background: var(--background);

  color: var(--text-primary);

  line-height: 1.5;

  -webkit-font-smoothing: antialiased;

}


button,
input,
select,
textarea {

  font: inherit;

}


button {

  cursor: pointer;

}


button:disabled {

  cursor: not-allowed;

}


#app {

  width: 100%;
  min-height: 100vh;

  padding: 36px 16px 60px;

}


/***************************************************
 * 2. MAIN LAYOUT & HEADER
 ***************************************************/

.request-container {

  width: 100%;
  max-width: 680px;

  margin: 0 auto;

  padding: 32px;

  background: var(--surface);

  border: 1px solid var(--border);

  border-radius: 16px;

  box-shadow: var(--shadow);

}


.request-header {

  margin-bottom: 26px;

  padding: 28px 24px;

  background:
    linear-gradient(
      135deg,
      var(--primary-dark),
      var(--primary),
      var(--primary-light)
    );

  border-radius: 12px;

  text-align: center;

  color: #ffffff;

}


.request-header h1 {

  margin: 0 0 8px;

  font-size: 18px;
  font-weight: 750;

  letter-spacing: 1.2px;

  color: #ffffff;

}


.request-header h2 {

  margin: 0;

  font-size: 28px;
  font-weight: 700;

  line-height: 1.25;

  color: #ffffff;

}


.request-header p {

  margin: 12px 0 0;

  font-size: 14px;

  color: #d7e6f2;

}


/***************************************************
 * 3. NAVIGATION TABS
 ***************************************************/

.request-tabs {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 10px;

  margin-bottom: 28px;

}


.tab-button {

  min-height: 46px;

  padding: 12px 16px;

  border: 1px solid var(--border);

  border-radius: 9px;

  background: #f7f9fc;

  color: var(--text-secondary);

  font-size: 15px;

  font-weight: 600;

  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition);

}


.tab-button.active {

  background: var(--primary);

  color: #ffffff;

  border-color: var(--primary);

}


.tab-button:not(:disabled):hover {

  background: var(--primary-light);

  color: #ffffff;

  border-color: var(--primary-light);

}


.tab-button:disabled {

  opacity: 0.55;

}


/***************************************************
 * 4. FORM STRUCTURE
 ***************************************************/

#serviceRequestForm {

  display: flex;

  flex-direction: column;

  gap: 20px;

}


.form-group {

  display: flex;

  flex-direction: column;

  gap: 7px;

  min-width: 0;

}


.form-group label {

  display: block;

  font-size: 14px;

  font-weight: 650;

  color: var(--text-primary);

}


.form-group input,
.form-group select,
.form-group textarea {

  width: 100%;

  min-width: 0;

  padding: 12px 14px;

  border: 1px solid var(--border);

  border-radius: var(--radius);

  outline: none;

  background: #ffffff;

  color: var(--text-primary);

  font-size: 16px;

  line-height: 1.4;

  transition:
    border-color var(--transition),
    box-shadow var(--transition);

}


.form-group input,
.form-group select {

  min-height: 48px;

}


.form-group textarea {

  min-height: 100px;

  resize: vertical;

}


.form-group input::placeholder,
.form-group textarea::placeholder {

  color: #96a4b2;

}


.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {

  border-color: var(--border-focus);

  box-shadow:
    0 0 0 3px rgba(8, 126, 170, 0.12);

}


.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {

  background: #f0f3f6;

  color: #8393a2;

  cursor: not-allowed;

}


.form-row {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 16px;

}


/***************************************************
 * 5. BUTTONS
 ***************************************************/

.submit-button {

  display: block;

  width: 100%;

  min-height: 52px;

  padding: 14px 20px;

  border: none;

  border-radius: var(--radius);

  background: var(--accent);

  color: #ffffff;

  font-size: 16px;

  font-weight: 700;

  text-align: center;

  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);

}


.submit-button:not(:disabled):hover {

  background: var(--accent-hover);

  box-shadow:
    0 5px 15px rgba(8, 126, 170, 0.2);

}


.submit-button:not(:disabled):active {

  transform: translateY(1px);

}


.submit-button:disabled {

  opacity: 0.55;

  box-shadow: none;

}


#retryButton {

  width: 100%;

  min-height: 48px;

  margin-top: 20px;

  padding: 12px 20px;

  border: none;

  border-radius: var(--radius);

  background: var(--primary);

  color: #ffffff;

  font-size: 16px;

  font-weight: 650;

}


#retryButton:hover {

  background: var(--primary-light);

}


/***************************************************
 * 6. STATUS & RESULT MESSAGES
 ***************************************************/

#requestResult:empty {

  display: none;

}


.result-success,
.result-error {

  padding: 18px 20px;

  border-radius: var(--radius);

  font-size: 15px;

  line-height: 1.6;

  overflow-wrap: anywhere;

}


.result-success {

  background: var(--success-bg);

  color: var(--success);

  border: 1px solid #b8e3c8;

}


.result-error {

  background: var(--error-bg);

  color: var(--error);

  border: 1px solid #f4c4be;

}


.result-success h3 {

  margin: 0 0 12px;

  font-size: 22px;

  font-weight: 700;

}


.result-success h2 {

  margin: 10px 0 18px;

  padding: 14px;

  border-radius: 8px;

  background: rgba(24, 120, 74, 0.08);

  font-size: 28px;

  font-weight: 750;

  text-align: center;

  letter-spacing: 1px;

  overflow-wrap: anywhere;

}


.result-success p {

  margin: 10px 0;

}


.empty-message {

  margin: 0;

  padding: 12px;

  border-radius: 8px;

  background: #fff7e6;

  color: #926400;

  font-size: 14px;

  text-align: center;

}


/***************************************************
 * 7. LOADING SCREEN
 ***************************************************/

.loading-screen {

  max-width: 520px;

  margin: 80px auto;

  padding: 36px 24px;

  background: #ffffff;

  border: 1px solid var(--border);

  border-radius: 14px;

  box-shadow: var(--shadow);

  text-align: center;

}


.loading-screen h2 {

  margin: 0 0 14px;

  font-size: 22px;

  font-weight: 750;

  color: var(--primary);

}


.loading-screen p {

  margin: 0;

  color: var(--text-secondary);

  font-size: 15px;

}


/***************************************************
 * 8. ACCESSIBILITY
 ***************************************************/

:focus-visible {

  outline: 3px solid rgba(8, 126, 170, 0.5);

  outline-offset: 2px;

}


button:focus-visible {

  outline: 3px solid var(--accent);

  outline-offset: 3px;

}


/***************************************************
 * 9. TABLET RESPONSIVE
 ***************************************************/

@media (max-width: 768px) {

  #app {

    padding: 20px 12px 40px;

  }

  .request-container {

    padding: 24px;

  }

  .request-header {

    padding: 24px 18px;

  }

  .request-header h2 {

    font-size: 25px;

  }

}


/***************************************************
 * 10. MOBILE RESPONSIVE
 ***************************************************/

@media (max-width: 480px) {

  #app {

    padding: 10px 8px 30px;

  }

  .request-container {

    padding: 18px 14px;

    border-radius: 12px;

  }

  .request-header {

    margin-bottom: 20px;

    padding: 24px 12px;

  }

  .request-header h1 {

    font-size: 15px;

    letter-spacing: 0.8px;

  }

  .request-header h2 {

    font-size: 24px;

  }

  .request-header p {

    font-size: 13px;

  }

  .request-tabs {

    gap: 8px;

    margin-bottom: 22px;

  }

  .tab-button {

    padding: 10px 8px;

    font-size: 14px;

  }

  #serviceRequestForm {

    gap: 18px;

  }

  .form-row {

    grid-template-columns: 1fr;

    gap: 18px;

  }

  .form-group input,
  .form-group select,
  .form-group textarea {

    font-size: 16px;

  }

  .submit-button {

    min-height: 54px;

  }

  .result-success h2 {

    font-size: 24px;

  }

}


/***************************************************
 * 11. REDUCED MOTION
 ***************************************************/

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {

    transition-duration: 0.01ms !important;

    animation-duration: 0.01ms !important;

    scroll-behavior: auto !important;

  }

}