/* ─── VARIABLES ────────────────────────────────────────────────────────── */
:root {
  --blue:        #5B6CF5;
  --blue-light:  #e8eafd;
  --blue-mid:    #8f9af8;
  --blue-dim:    rgba(91,108,245,0.08);
  --near-black:  #1A1B1E;
  --white:       #FFFFFF;
  --off-white:   #F5F3EE;
  --gray-border: #E2E0DB;
  --gray-text:   #6B6860;
  --gray-subtle: #9B9890;
  --green:       #2E8B57;
  --green-light: #EAF5EE;
  --red:         #E8534A;
  --red-light:   #FEF0EF;
  --font:        'Montserrat', sans-serif;
  --mono:        'JetBrains Mono', monospace;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --shadow-card: 0 1px 3px rgba(26,27,30,0.06), 0 4px 16px rgba(26,27,30,0.04);
  --shadow-hover:0 4px 24px rgba(91,108,245,0.14), 0 1px 4px rgba(26,27,30,0.08);
  --transition:  0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ─── RESET ────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--off-white);color:var(--near-black);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
button{font-family:var(--font);cursor:pointer}
input{font-family:var(--font)}

/* ─── ANNOUNCEMENT ─────────────────────────────────────────────────────── */
.announcement{background:var(--blue);color:var(--white);text-align:center;padding:10px 32px;font-size:12px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase}
.announcement a{color:var(--white);text-decoration:underline;text-underline-offset:3px}

/* ─── NAV ──────────────────────────────────────────────────────────────── */
.nav{background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-border)}
.nav-inner{max-width:1160px;margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-wordmark{font-size:18px;font-weight:700;letter-spacing:-0.01em;color:var(--near-black)}
.nav-wordmark span{color:var(--blue);font-weight:300}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:13px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--gray-text);transition:color var(--transition)}
.nav-links a:hover{color:var(--near-black)}
.nav-cart{position:relative;display:flex;align-items:center;color:var(--near-black)}
.cart-badge{position:absolute;top:-6px;right:-6px;width:16px;height:16px;background:var(--blue);color:var(--white);border-radius:50%;font-size:9px;font-weight:700;display:flex;align-items:center;justify-content:center}

/* ─── MAIN LAYOUT ──────────────────────────────────────────────────────── */
.signin-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:52px 32px}
.signin-grid{display:grid;grid-template-columns:480px 360px;gap:32px;align-items:start;width:100%;max-width:880px}

/* ─── AUTH CARD ────────────────────────────────────────────────────────── */
.auth-card{background:var(--white);border:1px solid var(--gray-border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-card)}
.auth-eyebrow{display:inline-block;font-size:11px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--blue);background:var(--blue-light);padding:4px 12px;border-radius:2px;margin-bottom:14px}
.auth-heading{font-size:24px;font-weight:700;letter-spacing:-0.02em;color:var(--near-black);margin-bottom:6px;line-height:1.2}
.auth-sub{font-size:13px;font-weight:300;color:var(--gray-text);line-height:1.7;margin-bottom:24px}

/* ─── TABS ─────────────────────────────────────────────────────────────── */
.auth-tabs{display:flex;gap:0;border:1px solid var(--gray-border);border-radius:var(--radius-sm);overflow:hidden;width:fit-content;margin-bottom:28px}
.auth-tab{padding:10px 24px;font-size:12px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;background:var(--white);color:var(--gray-text);border:none;transition:all var(--transition);cursor:pointer}
.auth-tab.active{background:var(--near-black);color:var(--white)}

/* ─── FORMS ────────────────────────────────────────────────────────────── */
.auth-form{display:flex;flex-direction:column;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--near-black)}
.form-label .req{color:var(--blue);margin-left:3px}
.form-input{width:100%;font-family:var(--font);font-size:14px;font-weight:400;padding:12px 16px;border:1.5px solid var(--gray-border);border-radius:var(--radius-sm);outline:none;color:var(--near-black);background:var(--white);transition:border-color var(--transition),box-shadow var(--transition)}
.form-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(91,108,245,0.08)}
.form-input::placeholder{color:var(--gray-subtle);font-weight:300}
.form-hint{font-size:11px;color:var(--gray-subtle);font-weight:300;line-height:1.5}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row-inline{display:flex;align-items:center;justify-content:space-between;font-size:12px}

/* ─── ERROR ────────────────────────────────────────────────────────────── */
.auth-error{display:none;background:var(--red-light);border:1px solid rgba(232,83,74,0.3);border-radius:var(--radius-sm);padding:10px 14px;font-size:12px;font-weight:600;color:var(--red);align-items:center;gap:8px}
.auth-error svg{flex-shrink:0}

/* ─── DEMO HINT ────────────────────────────────────────────────────────── */
.demo-hint{background:var(--blue-dim);border:1px solid rgba(91,108,245,0.2);border-left:3px solid var(--blue);border-radius:var(--radius-sm);padding:12px 14px;display:flex;align-items:flex-start;gap:10px;margin-bottom:4px}
.demo-hint-text{font-size:11px;font-weight:400;color:var(--gray-text);line-height:1.6}
.demo-hint-text strong{font-weight:700;color:var(--near-black)}
.demo-cred{font-family:var(--mono);font-weight:600;color:var(--near-black)}

/* ─── PASSWORD TOGGLE ──────────────────────────────────────────────────── */
.pw-wrap{position:relative;display:flex;align-items:center}
.pw-wrap .form-input{padding-right:44px}
.pw-toggle{position:absolute;right:12px;background:none;border:none;cursor:pointer;padding:4px;color:var(--gray-subtle);display:flex;align-items:center;transition:color var(--transition)}
.pw-toggle:hover{color:var(--near-black)}

/* ─── DIVIDER ──────────────────────────────────────────────────────────── */
.or-row{display:flex;align-items:center;gap:12px;margin:4px 0}
.or-row span{font-size:11px;font-weight:600;letter-spacing:0.1em;color:var(--gray-subtle);text-transform:uppercase;flex-shrink:0}
.or-row::before,.or-row::after{content:'';flex:1;height:1px;background:var(--gray-border)}

/* ─── BUTTONS ──────────────────────────────────────────────────────────── */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:var(--white);font-family:var(--font);font-size:13px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:14px 28px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:background var(--transition),transform var(--transition),box-shadow var(--transition);width:100%}
.btn-primary:hover{background:#4a5ae0;transform:translateY(-1px);box-shadow:0 6px 20px rgba(91,108,245,0.28)}
.btn-primary:disabled{opacity:0.6;cursor:not-allowed;transform:none;box-shadow:none}

/* ─── SESSION ALREADY ACTIVE BANNER ───────────────────────────────────── */
.session-banner{display:none;background:var(--green-light);border:1px solid rgba(46,139,87,0.25);border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:20px;align-items:center;gap:14px}
.session-banner-icon{width:40px;height:40px;background:var(--green);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.session-banner-title{font-size:13px;font-weight:700;color:var(--green);margin-bottom:3px}
.session-banner-sub{font-size:12px;font-weight:300;color:var(--gray-text)}

/* ─── WHY PANEL ────────────────────────────────────────────────────────── */
.why-panel{background:var(--white);border:1px solid var(--gray-border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:20px}
.why-title{font-size:12px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--near-black)}
.why-sub{font-size:12px;font-weight:300;color:var(--gray-text);line-height:1.7;margin-top:4px}
.why-items{display:flex;flex-direction:column;gap:14px}
.why-item{display:flex;align-items:flex-start;gap:12px}
.why-icon{width:32px;height:32px;background:var(--blue-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.why-item-title{font-size:12px;font-weight:700;color:var(--near-black);margin-bottom:2px}
.why-item-sub{font-size:11px;font-weight:300;color:var(--gray-text);line-height:1.6}
.why-note{background:var(--off-white);border:1px solid var(--gray-border);border-left:3px solid var(--blue);border-radius:var(--radius-sm);padding:11px 14px;font-size:11px;font-weight:300;color:var(--gray-text);line-height:1.6}
.why-note strong{font-weight:700;color:var(--near-black)}

/* ─── ANIMATIONS ────────────────────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeUp 0.45s ease both}
.d1{animation-delay:0.04s}.d2{animation-delay:0.10s}.d3{animation-delay:0.16s}
@keyframes spin{to{transform:rotate(360deg)}}
.spin{animation:spin 0.7s linear infinite}

.container{max-width:1160px;margin:0 auto;padding:0 32px}
/* ─── FOOTER ────────────────────────────────────────────────────────────── */
.footer{background:var(--white);border-top:1px solid var(--gray-border);padding:64px 0 32px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand-desc{font-size:13px;font-weight:300;color:var(--gray-text);line-height:1.7;margin:16px 0 20px;max-width:280px}
.footer-col-title{font-size:12px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--near-black);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;font-weight:300;color:var(--gray-text);transition:color var(--transition)}
.footer-links a:hover{color:var(--blue)}
.footer-bottom{padding-top:28px;border-top:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-copy{font-size:12px;color:var(--gray-subtle);font-weight:300}
.footer-disclaimer{font-size:11px;color:var(--gray-subtle);font-weight:300;line-height:1.6;padding-top:18px;border-top:1px solid var(--gray-border);margin-top:18px}