/* ═══════════════════════════════════════════
       RESET
    ═══════════════════════════════════════════ */
    *, *::before, *::after {
      margin: 0; padding: 0;
      box-sizing: border-box;
      -webkit-tap-highlight-color: transparent;
    }

    /* ═══════════════════════════════════════════
       BASE — mobile-first
    ═══════════════════════════════════════════ */
    html {
      height: 100%;
      font-size: 16px;
    }

    body {
      min-height: 100%;
      min-height: 100svh;
      width: 100%;
      background: linear-gradient(135deg, #9cb5ff 0%, #e794ff 50%, #9cb5ff 100%);
      background-attachment: fixed;
      font-family: Arial, sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow-x: hidden;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      padding: env(safe-area-inset-top) env(safe-area-inset-right)
               env(safe-area-inset-bottom) env(safe-area-inset-left);
    }

    /* ═══════════════════════════════════════════
       PARTICLES
    ═══════════════════════════════════════════ */
    .particles {
      position: fixed; inset: 0;
      pointer-events: none;
      overflow: hidden;
      z-index: 0;
    }
    .particle {
      position: absolute;
      background: #fff;
      border-radius: 50%;
      opacity: 0.45;
      animation: particleFloat var(--dur, 4s) ease-in-out infinite;
      animation-delay: var(--delay, 0s);
    }
    @keyframes particleFloat {
      0%,100% { transform: translateY(0) translateX(0); opacity: 0.3; }
      50%      { transform: translateY(-70px) translateX(12px); opacity: 0.6; }
    }

    /* ═══════════════════════════════════════════
       PAGE WRAPPER
    ═══════════════════════════════════════════ */
    .page-wrap {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 100%;
      max-width: 1200px;
      padding: 32px 20px;
      gap: 20px;
      min-height: 100svh;
    }

    /* ═══════════════════════════════════════════
       BRANDING BLOCK (icon + logo)
    ═══════════════════════════════════════════ */
    .branding {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0;
      flex-shrink: 0;
    }

    .ar-icon {
      width: 56px; height: 56px;
      margin-bottom: 12px;
      animation: float 3s ease-in-out infinite;
      filter: drop-shadow(0 4px 15px rgba(0,0,0,0.25));
    }
    .ar-icon svg { width: 100%; height: 100%; }

    @keyframes float {
      0%,100% { transform: translateY(0);   }
      50%      { transform: translateY(-10px); }
    }

    .logo-img {
      display: block;
      width: 120px;
      margin: 20px auto 0 auto;
    }

    .logo-subtitle {
      font-size: 11px;
      color: rgba(255,255,255,0.9);
      text-align: center;
      letter-spacing: 4px;
      margin-top: 8px;
      text-transform: uppercase;
      animation: fadeIn 1.2s ease-out;
    }

    /* ═══════════════════════════════════════════
       CARD
    ═══════════════════════════════════════════ */
    .login-card {
      width: 100%;
      max-width: 400px;
      background: rgba(255,255,255,0.22);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1.5px solid rgba(255,255,255,0.55);
      border-radius: 24px;
      padding: 28px 24px 24px;
      box-shadow: 0 8px 40px rgba(120,80,200,0.25),
                  inset 0 1px 0 rgba(255,255,255,0.6);
      animation: cardIn 0.65s cubic-bezier(0.16,1,0.3,1) both;
      flex-shrink: 0;
    }

    @keyframes cardIn {
      from { opacity: 0; transform: translateY(22px) scale(0.97); }
      to   { opacity: 1; transform: none; }
    }

    /* ═══════════════════════════════════════════
       CARD INNER
    ═══════════════════════════════════════════ */
    .card-title {
      font-family: 'Arial Black', Arial, sans-serif;
      font-size: 18px;
      font-weight: 900;
      color: #fff;
      text-align: center;
      letter-spacing: 2px;
      text-shadow: 0 2px 10px rgba(0,0,0,0.18);
      margin-bottom: 22px;
    }

    .field { margin-bottom: 14px; }

    .field label {
      display: block;
      font-size: 10px;
      font-weight: 700;
      color: rgba(0, 0, 0);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 6px;
      text-shadow: 0 1px 4px rgba(0,0,0,0.12);
    }

    .input-wrap { position: relative; }

    .input-wrap input {
      width: 100%;
      font-size: 16px;
      font-family: Arial, sans-serif;
      color: rgba(0, 0, 0);
      background: rgba(255,255,255,0.32);
      border: 1.5px solid rgba(255,255,255,0.6);
      border-radius: 50px;
      padding: 12px 44px 12px 16px;
      outline: none;
      -webkit-appearance: none;
      transition: background .25s, border-color .25s, box-shadow .25s;
    }
    .input-wrap input::placeholder { color: rgba(0, 0, 0,0.58); }
    .input-wrap input:focus {
      background: rgba(255,255,255,0.48);
      border-color: #fff;
      box-shadow: 0 0 0 3px rgba(255,255,255,0.22);
    }

    .input-icon {
      position: absolute; right: 14px; top: 50%;
      transform: translateY(-50%);
      color: rgba(255,255,255,0.72);
      pointer-events: none;
      display: flex; align-items: center;
    }

    .eye-btn {
      position: absolute; right: 10px; top: 50%;
      transform: translateY(-50%);
      background: none; border: none; cursor: pointer;
      color: rgba(255,255,255,0.72);
      padding: 6px;
      display: flex; align-items: center;
      justify-content: center;
      min-width: 36px; min-height: 36px;
      transition: color .2s;
    }
    .eye-btn:hover { color: #fff; }

    .btn-login {
      display: block;
      width: 100%;
      min-height: 50px;
      font-family: 'Arial Black', Arial, sans-serif;
      font-size: 15px;
      font-weight: 900;
      letter-spacing: 2px;
      color: #8b5cf6;
      background: #fff;
      border: none;
      border-radius: 50px;
      cursor: pointer;
      box-shadow: 0 8px 28px rgba(0,0,0,0.22);
      transition: transform .25s, box-shadow .25s, opacity .25s;
      animation: pulse 2s ease-in-out infinite;
    }
    .btn-login:hover  { transform: scale(1.03); box-shadow: 0 12px 36px rgba(0,0,0,0.28); animation: none; }
    .btn-login:active { transform: scale(0.98); }

    @keyframes pulse {
      0%,100% { opacity: 1; }
      50%      { opacity: .88; }
    }
    /* ═══════════════════════════════════════════
       FOOTER
    ═══════════════════════════════════════════ */
    .card-footer {
      font-size: 10px;
      color: rgba(255,255,255,0.62);
      letter-spacing: 1px;
      text-align: center;
      margin-top: 4px;
    }

    /* ═══════════════════════════════════════════
       REMINDER BAR
    ═══════════════════════════════════════════ */
    .reminder-overlay {
      position: fixed; top: 0; left: 0; width: 100%;
      z-index: 9999; display: none;
    }
    .reminders {
      width: 100%; background: #aed6f9;
      text-align: center;
      box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }
    .reminders p { font-size: 14px; padding: 8px 12px; }

    /* ═══════════════════════════════════════════
       ERROR MESSAGE
    ═══════════════════════════════════════════ */

    .error-message {
      width: 100%;
      max-width: 400px;
      margin: 0 auto 15px auto;
      padding: 8px 12px;
      border-radius: 6px;
      
      background-color: #ffe5e5;
      color: #d8000c;
      border: 1px solid #ffb3b3;

      font-size: 14px;
      text-align: center;
      
      display: none; /* hidden by default */
    }

    /* Optional: smooth appearance */
    .error-message.show {
        display: block;
        animation: fadeIn 0.3s ease-in-out;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(-5px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* ═══════════════════════════════════════════
       ANIMATIONS
    ═══════════════════════════════════════════ */
    @keyframes fadeIn {
      from { opacity: 0; } to { opacity: 1; }
    }

    /* ════════════════════════════════════════════════════════
       RESPONSIVE BREAKPOINTS
    ════════════════════════════════════════════════════════ */

    /* ── Mobile portrait (≤ 480px) ───────────── */
    @media (max-width: 480px) and (orientation: portrait) {
      .page-wrap   { padding: 28px 16px 24px; gap: 16px; }
      .ar-icon     { width: 48px; height: 48px; margin-bottom: 10px; }
      .logo-img    { width: 125px; }
      .logo-subtitle { font-size: 13px; letter-spacing: 3px; }
      .login-card  { padding: 22px 18px 20px; border-radius: 20px; }
      .card-title  { font-size: 16px; margin-bottom: 18px; }
      .field       { margin-bottom: 12px; }
      .field label { font-size: 9px; }
      .input-wrap input { padding: 11px 42px 11px 14px; }
      .btn-login   { font-size: 14px; min-height: 46px; }
      .card-footer { font-size: 9px; }
    }

    /* ── Very small phones (≤ 360px) ─────────── */
    @media (max-width: 360px) and (orientation: portrait) {
      .page-wrap   { padding: 20px 12px 18px; gap: 12px; }
      .ar-icon     { width: 40px; height: 40px; margin-bottom: 8px; }
      .logo-img    { width: 128px; }
      .logo-subtitle { font-size: 13px; letter-spacing: 2px; }
      .login-card  { padding: 18px 14px 16px; border-radius: 18px; }
      .card-title  { font-size: 14px; margin-bottom: 14px; }
      .field       { margin-bottom: 10px; }
      .btn-login   { font-size: 13px; min-height: 44px; }
    }

    /* ── Mobile landscape (≤ 767px landscape) ── */
    @media (max-width: 767px) and (orientation: landscape) {
      .page-wrap {
        flex-direction: row;
        align-items: center;
        justify-content: space-evenly;
        gap: 24px;
        padding: 16px 24px;
        min-height: 100svh;
      }
      .branding    { gap: 0; }
      .ar-icon     { width: 38px; height: 38px; margin-bottom: 8px; }
      .logo-img    { width: 128px; }
      .logo-subtitle { font-size: 13px; letter-spacing: 2px; margin-top: 5px; }
      .login-card  { max-width: 320px; padding: 16px 18px 14px; border-radius: 18px; }
      .card-title  { font-size: 14px; margin-bottom: 12px; letter-spacing: 1.5px; }
      .field       { margin-bottom: 9px; }
      .field label { font-size: 8px; margin-bottom: 4px; }
      .input-wrap input { padding: 9px 40px 9px 13px; font-size: 14px; }
      .btn-login   { font-size: 13px; min-height: 40px; }
      .card-footer { font-size: 8px; margin-top: 6px; }
    }

    /* ── Very short landscape (height ≤ 400px) ── */
    @media (orientation: landscape) and (max-height: 400px) {
      .page-wrap   { gap: 16px; padding: 10px 20px; }
      .ar-icon     { width: 32px; height: 32px; margin-bottom: 6px; }
      .logo-img    { width: 116px; }
      .logo-subtitle { font-size: 13px; letter-spacing: 1.5px; }
      .login-card  { padding: 12px 14px 10px; }
      .card-title  { font-size: 12px; margin-bottom: 10px; }
      .field       { margin-bottom: 7px; }
      .field label { font-size: 8px; margin-bottom: 3px; }
      .input-wrap input { padding: 7px 36px 7px 12px; font-size: 13px; }
      .btn-login   { font-size: 12px; min-height: 36px; }
      .card-footer { margin-top: 6px; font-size: 8px; }
    }

    /* ── Tablet portrait (481px – 1024px) ──────── */
    @media (min-width: 481px) and (max-width: 1024px) and (orientation: portrait) {
      .page-wrap   { padding: 40px 32px 32px; gap: 22px; }
      .ar-icon     { width: 64px; height: 64px; margin-bottom: 14px; }
      .logo-img    { width: 180px; }
      .logo-subtitle { font-size: 18px; letter-spacing: 5px; }
      .login-card  { max-width: 460px; padding: 32px 36px 28px; }
      .card-title  { font-size: 20px; margin-bottom: 26px; }
      .field       { margin-bottom: 16px; }
      .field label { font-size: 11px; }
      .input-wrap input { padding: 14px 46px 14px 18px; }
      .btn-login   { font-size: 16px; min-height: 54px; }
      .card-footer { font-size: 11px; margin-top: 10px; }
    }

    /* ── Tablet landscape (481px – 1024px land) ── */
    @media (min-width: 481px) and (max-width: 1024px) and (orientation: landscape) {
      .page-wrap {
        flex-direction: row;
        align-items: center;
        justify-content: space-evenly;
        gap: 48px;
        padding: 20px 48px;
      }
      .ar-icon     { width: 60px; height: 60px; margin-bottom: 14px; }
      .logo-img    { width: 130px; }
      .logo-subtitle { font-size: 12px; letter-spacing: 4px; }
      .login-card  { max-width: 400px; padding: 26px 30px 24px; }
      .card-title  { font-size: 18px; margin-bottom: 20px; }
      .field       { margin-bottom: 14px; }
      .field label { font-size: 10px; }
      .input-wrap input { padding: 12px 44px 12px 16px; }
      .btn-login   { font-size: 15px; min-height: 50px; }
      .card-footer { font-size: 10px; margin-top: 8px; }
    }

    /* ── Desktop (≥ 1025px) ────────────────────── */
    @media (min-width: 1025px) {
      .page-wrap {
        flex-direction: row;
        align-items: center;
        justify-content: space-evenly;
        gap: 72px;
        padding: 48px 80px;
        min-height: 100svh;
      }
      .branding    { gap: 0; }
      .ar-icon     { width: 80px; height: 80px; margin-bottom: 20px; }
      .logo-img    { width: 220px; }
      .logo-subtitle { font-size: 20px; letter-spacing: 6px; margin-top: 10px; }
      .login-card  {
        max-width: 480px;
        padding: 44px 48px 40px;
        border-radius: 28px;
      }
      .card-title  { font-size: 24px; margin-bottom: 32px; letter-spacing: 3px; }
      .field       { margin-bottom: 20px; }
      .field label { font-size: 12px; letter-spacing: 2px; margin-bottom: 8px; }
      .input-wrap input {
        padding: 16px 50px 16px 20px;
        font-size: 16px;
        border-radius: 50px;
      }
      .input-icon  { right: 18px; }
      .eye-btn     { right: 14px; }
      .btn-login   {
        font-size: 17px;
        min-height: 58px;
        letter-spacing: 3px;
        border-radius: 50px;
      }
      .card-footer { font-size: 12px; margin-top: 14px; }
    }

    /* ── Large desktop (≥ 1440px) ──────────────── */
    @media (min-width: 1440px) {
      .page-wrap   { gap: 96px; padding: 60px 120px; }
      .ar-icon     { width: 90px; height: 90px; margin-bottom: 24px; }
      .logo-img    { width: 200px; }
      .logo-subtitle { font-size: 16px; letter-spacing: 7px; }
      .login-card  { max-width: 520px; padding: 52px 56px 48px; }
      .card-title  { font-size: 26px; margin-bottom: 36px; }
      .field       { margin-bottom: 22px; }
      .input-wrap input { padding: 18px 54px 18px 22px; font-size: 17px; }
      .btn-login   { font-size: 18px; min-height: 62px; }
      .card-footer { font-size: 13px; margin-top: 16px; }
    }