:root {
      --crm-purple-brand: #773DBD;
      --crm-purple-hover: #622FA6;
      --crm-purple-deep: #4A1D80;
      --crm-purple-dark: #371363;
      --crm-purple-light: #9055E8;
      --crm-purple-glow: rgba(119, 61, 189, 0.35);
      --crm-blue-accent: #38BDF8;
      --font-family: 'Open Runde', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      --ease-standard: cubic-bezier(0.2, 0, 0, 1);
      --ease-decelerate: cubic-bezier(0, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html,
    body {
      width: 100%;
      height: 100%;
      min-height: 100vh;
      font-family: var(--font-family) !important;
      background-color: #FFFFFF;
      color: #0F172A;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* Container: Split Screen Layout */
    .login-view-panel {
      display: flex;
      width: 100vw;
      min-height: 100vh;
      position: relative;
      background-color: #FFFFFF;
    }

    /* ============================================================
       1. SOL: MOON CRM BRAND VISUAL AREA (~52%)
       ============================================================ */
    .login-brand-area {
      flex: 1.15;
      background-color: #371363;
      background-image:
        radial-gradient(circle at 18% 15%, rgba(144, 85, 232, 0.28) 0%, transparent 48%),
        radial-gradient(circle at 82% 85%, rgba(119, 61, 189, 0.38) 0%, transparent 52%),
        radial-gradient(circle at 50% 50%, rgba(98, 47, 166, 0.45) 0%, transparent 70%),
        linear-gradient(145deg, #240643 0%, #3B1466 45%, #5B2699 85%, #773DBD 100%);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 48px 40px;
      position: relative;
      overflow: hidden;
      color: #FFFFFF;
      user-select: none;
    }

    .login-brand-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      max-width: 520px;
      width: 100%;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    /* Central Orbit Assembly */
    .login-orbit-container {
      width: 376px;
      height: 376px;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 32px;
      transition: transform 260ms var(--ease-decelerate), opacity 260ms var(--ease-decelerate);
    }

    .login-orbit-svg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
    }

    .orbit-ring-primary {
      animation: loginOrbitBreathe 6s ease-in-out infinite alternate;
    }

    .orbit-satellite-group {
      transform-origin: 200px 200px;
      animation: loginOrbitRotate 22s linear infinite;
    }

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

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

    @keyframes loginOrbitBreathe {
      0% {
        stroke: rgba(255, 255, 255, 0.12);
      }

      100% {
        stroke: rgba(255, 255, 255, 0.28);
      }
    }

    .login-orbit-center-icon {
      position: relative;
      z-index: 5;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 96px;
      height: 96px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(144, 85, 232, 0.35) 0%, rgba(119, 61, 189, 0.45) 45%, rgba(74, 29, 128, 0) 75%);
      box-shadow: 0 0 50px rgba(144, 85, 232, 0.35);
    }

    .login-brand-meta {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }

    .login-brand-wordmark {
      margin-bottom: 2px;
      display: flex;
      align-items: center;
      justify-content: center;
      filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.25));
    }

    .login-brand-tagline {
      font-size: 15px;
      line-height: 1.6;
      color: rgba(255, 255, 255, 0.88);
      font-weight: 400;
      max-width: 440px;
      margin: 0;
      letter-spacing: 0.15px;
    }

    /* ============================================================
       2. SAĞ: LOGIN FORM AREA (~48%)
       ============================================================ */
    .login-form-area {
      flex: 1;
      background-color: #FFFFFF;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 48px 56px;
      position: relative;
      box-sizing: border-box;
    }

    .login-top-bar {
      position: absolute;
      top: 32px;
      right: 40px;
      left: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 10;
    }

    .btn-return-home {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #64748B;
      font-size: 13.5px;
      font-weight: 500;
      text-decoration: none;
      padding: 6px 12px;
      border-radius: 8px;
      transition: all 180ms ease;
    }

    .btn-return-home:hover {
      color: var(--crm-purple-brand);
      background-color: #F8FAFC;
      transform: translateX(-2px);
    }

    .login-lang-pill-wrap {
      display: inline-flex;
      align-items: center;
      background: #F1F5F9;
      border: 1px solid #CBD5E1;
      border-radius: 20px;
      padding: 2px 6px;
      gap: 2px;
    }

    .login-lang-btn {
      border: none;
      background: transparent;
      font-size: 12px;
      font-weight: 600;
      line-height: 1.2;
      color: #64748B;
      cursor: pointer;
      padding: 3px 8px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 160ms var(--ease-standard);
      font-family: inherit;
    }

    .login-lang-btn.active {
      background: #FFFFFF;
      color: var(--crm-purple-brand);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    .login-lang-sep {
      font-size: 11px;
      color: #CBD5E1;
    }

    .login-form-box {
      max-width: 420px;
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 20px;
      box-sizing: border-box;
      margin-top: 24px;
    }

    .login-form-header {
      margin-bottom: 4px;
    }

    .login-title {
      font-size: 28px;
      font-weight: 700;
      color: #0F172A;
      margin: 0 0 8px 0;
      letter-spacing: -0.4px;
      line-height: 1.25;
      font-family: 'Open Runde', sans-serif;
    }

    .login-subtitle {
      font-size: 14.5px;
      color: #64748B;
      margin: 0;
      line-height: 1.5;
    }

    /* Alert Banner */
    .login-alert-banner {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 11px 14px;
      border-radius: 10px;
      background-color: #FEF2F2;
      border: 1px solid #FECACA;
      color: #B91C1C;
      font-size: 13px;
      line-height: 1.4;
      animation: alertSlideDown 200ms var(--ease-decelerate) both;
    }

    @keyframes alertSlideDown {
      from {
        opacity: 0;
        transform: translateY(-6px);
      }

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

    /* Form Fields */
    .login-field-group {
      display: flex;
      flex-direction: column;
      gap: 7px;
      margin-bottom: 16px;
    }

    .login-field-label {
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      letter-spacing: 0.1px;
    }

    .login-label-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .login-forgot-link {
      font-size: 12.5px;
      color: var(--crm-purple-brand);
      text-decoration: none;
      font-weight: 500;
      transition: color 140ms ease;
    }

    .login-forgot-link:hover {
      color: var(--crm-purple-hover);
      text-decoration: underline;
    }

    .login-input-wrap {
      position: relative;
      display: flex;
      align-items: center;
      width: 100%;
    }

    .login-input-icon {
      position: absolute;
      left: 14px;
      font-size: 18px;
      color: #94A3B8;
      pointer-events: none;
      transition: color 160ms ease;
    }

    .login-input {
      width: 100%;
      height: 46px;
      box-sizing: border-box;
      border: 1px solid #CBD5E1;
      border-radius: 10px;
      padding: 0 42px 0 42px;
      font-size: 14px;
      color: #0F172A;
      background-color: #FFFFFF;
      outline: none;
      transition: border-color 160ms var(--ease-standard), box-shadow 160ms var(--ease-standard), background-color 160ms ease;
      font-family: inherit;
    }

    .login-input:hover {
      border-color: #94A3B8;
    }

    .login-input:focus {
      border-color: var(--crm-purple-brand);
      box-shadow: 0 0 0 3.5px rgba(119, 61, 189, 0.14);
    }

    .login-input:focus+.login-input-icon,
    .login-input-wrap:focus-within .login-input-icon {
      color: var(--crm-purple-brand);
    }

    .login-input.input-has-error {
      border-color: #EF4444 !important;
      background-color: #FFFDFD !important;
      box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
    }

    .login-pwd-toggle {
      position: absolute;
      right: 10px;
      top: 50%;
      transform: translateY(-50%);
      border: none;
      background: transparent;
      color: #94A3B8;
      cursor: pointer;
      padding: 6px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: color 140ms ease, background-color 140ms ease;
    }

    .login-pwd-toggle:hover {
      color: #334155;
      background-color: #F1F5F9;
    }

    /* Remember Me */
    .login-remember-row {
      margin-bottom: 22px;
      display: flex;
      align-items: center;
    }

    .login-checkbox-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #475569;
      cursor: pointer;
      user-select: none;
    }

    .login-checkbox {
      width: 16px;
      height: 16px;
      accent-color: var(--crm-purple-brand);
      border-radius: 4px;
      cursor: pointer;
    }

    /* Submit Button */
    .login-action-group {
      width: 100%;
    }

    .login-submit-btn {
      width: 100%;
      height: 48px;
      border: none;
      border-radius: 10px;
      background-color: var(--crm-purple-brand);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      box-shadow: 0 4px 14px rgba(119, 61, 189, 0.32);
      transition: background-color 160ms var(--ease-standard),
        transform 100ms var(--ease-standard),
        box-shadow 160ms var(--ease-standard);
      font-family: inherit;
      letter-spacing: -0.2px;
    }

    .login-submit-btn:hover {
      background-color: var(--crm-purple-hover);
      transform: translateY(-1.5px);
      box-shadow: 0 6px 18px rgba(119, 61, 189, 0.42);
    }

    .login-submit-btn:active {
      transform: scale(0.985);
    }

    .login-submit-btn.is-loading {
      cursor: not-allowed;
      background-color: var(--crm-purple-brand) !important;
    }

    .spin-icon {
      animation: spinRotate 0.8s linear infinite;
    }

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

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

    /* Security Note & Footer */
    .login-security-badge {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-size: 12px;
      color: #64748B;
      margin-top: 6px;
    }

    .login-security-badge i {
      color: #10B981;
      font-size: 15px;
    }

    .login-footer {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 10px;
      font-size: 12px;
      color: #94A3B8;
    }

    .login-footer a {
      color: #64748B;
      text-decoration: none;
      transition: color 140ms ease;
    }

    .login-footer a:hover {
      color: var(--crm-purple-brand);
      text-decoration: underline;
    }

    .footer-dot {
      color: #CBD5E1;
      font-size: 10px;
    }

    /* Toast Notification */
    #authToast {
      position: fixed;
      top: 24px;
      right: 24px;
      z-index: 9999;
      background: #0F172A;
      border: 1px solid var(--crm-purple-brand);
      color: #FFFFFF;
      padding: 12px 18px;
      border-radius: 12px;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13.5px;
      transform: translateY(-20px);
      opacity: 0;
      pointer-events: none;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    #authToast.show {
      transform: translateY(0);
      opacity: 1;
      pointer-events: auto;
    }

    /* ============================================================
       RESPONSIVE RULES (Mobile & Tablet)
       ============================================================ */
    @media (max-width: 991px) {
      .login-view-panel {
        flex-direction: column !important;
        min-height: 100vh !important;
        overflow-y: auto !important;
      }

      .login-brand-area {
        flex: none !important;
        width: 100% !important;
        padding: 40px 24px 28px !important;
        min-height: auto !important;
      }

      .login-orbit-container {
        width: 200px !important;
        height: 200px !important;
        margin-bottom: 16px !important;
      }

      .login-orbit-svg {
        width: 200px !important;
        height: 200px !important;
      }

      .login-orbit-center-icon {
        width: 64px !important;
        height: 64px !important;
      }

      .login-orbit-center-icon svg {
        width: 36px !important;
        height: 34px !important;
      }

      .login-brand-tagline {
        font-size: 13.5px !important;
        max-width: 340px !important;
      }

      .login-form-area {
        flex: 1 !important;
        width: 100% !important;
        padding: 32px 24px 44px !important;
        justify-content: flex-start !important;
      }

      .login-top-bar {
        position: static !important;
        margin-bottom: 20px !important;
      }

      .login-form-box {
        max-width: 100% !important;
        width: 100% !important;
        margin-top: 0 !important;
      }
    }

    @media (min-width: 1600px) {
      .login-orbit-container {
        width: 420px;
        height: 420px;
      }

      .login-title {
        font-size: 32px;
      }

      .login-form-box {
        max-width: 460px;
      }

      .login-input {
        height: 50px;
        font-size: 15px;
      }

      .login-submit-btn {
        height: 52px;
        font-size: 16px;
      }
    }

    /* ============================================================
       AUTH SWITCH & REGISTER / PURCHASE REQUEST STYLES
       ============================================================ */
    .login-form-area {
      overflow-y: auto !important;
      max-height: 100vh !important;
    }

    .login-form-box {
      margin: auto 0 !important;
      padding-top: 40px !important;
      padding-bottom: 30px !important;
    }

    .login-auth-switch {
      display: flex;
      background: #F1F5F9;
      border: 1px solid #CBD5E1;
      border-radius: 12px;
      padding: 3px;
      gap: 3px;
      margin-bottom: 20px;
    }

    .login-auth-btn {
      flex: 1;
      border: none;
      background: transparent;
      padding: 9px 14px;
      border-radius: 9px;
      font-size: 13.5px;
      font-weight: 600;
      color: #64748B;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 7px;
      transition: all 180ms var(--ease-standard);
      font-family: inherit;
    }

    .login-auth-btn:hover:not(.active) {
      color: #0F172A;
      background: rgba(255, 255, 255, 0.6);
    }

    .login-auth-btn.active {
      background: #FFFFFF;
      color: var(--crm-purple-brand);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      font-weight: 700;
    }

    .register-info-banner {
      background: #FAF5FF;
      border: 1px solid #E9D5FF;
      border-radius: 10px;
      padding: 10px 14px;
      margin-bottom: 16px;
      animation: alertSlideDown 200ms var(--ease-decelerate) both;
    }

    .reg-grid-row {
      display: flex;
      gap: 12px;
      width: 100%;
    }

    .reg-grid-col {
      flex: 1;
      min-width: 0;
    }

    @media (max-width: 520px) {
      .reg-grid-row {
        flex-direction: column;
        gap: 0;
      }
    }

    .login-select {
      cursor: pointer;
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      padding-right: 38px !important;
      background-color: #FFFFFF;
    }

    .login-select-arrow {
      position: absolute;
      right: 14px;
      font-size: 14px;
      color: #94A3B8;
      pointer-events: none;
    }

    .login-textarea {
      height: 72px !important;
      padding: 10px 14px 10px 42px !important;
      resize: none !important;
      font-size: 13.5px !important;
      line-height: 1.45 !important;
    }

    .login-switch-prompt {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 14px;
    }

    .btn-switch-link {
      background: transparent;
      border: none;
      color: var(--crm-purple-brand);
      font-weight: 600;
      font-size: 13px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 0;
      transition: color 140ms ease;
      font-family: inherit;
    }

    .btn-switch-link:hover {
      color: var(--crm-purple-hover);
      text-decoration: underline;
    }

    .auth-view-content {
      animation: authFadeIn 220ms cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    @keyframes authFadeIn {
      from {
        opacity: 0;
        transform: translateY(6px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }