:root{
    --red:#E63946;--red-dark:#b5202d;--red-light:#ff6b75;
    --blue:#1D3557;--blue-mid:#457B9D;--blue-light:#A8DADC;
    --green:#2D6A4F;--green-mid:#52B788;--green-light:#95D5B2;
    --white:#F8F9FA;--gray:#6c757d;--bg:#0d1b2a;
    --sw:240px;--sc:68px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'DM Sans',sans-serif;background:var(--bg);min-height:100vh;overflow-x:hidden;}
#particles{position:fixed;inset:0;z-index:0;pointer-events:none;}

/* ══ LOGIN ══ */
#loginPage{position:relative;z-index:10;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(20px);border-radius:24px;padding:50px 44px;width:100%;max-width:460px;box-shadow:0 30px 80px rgba(0,0,0,.5);animation:cardIn .8s cubic-bezier(.22,1,.36,1) both;}
@keyframes cardIn{from{opacity:0;transform:translateY(40px) scale(.96)}to{opacity:1;transform:none}}
.clinic-logo{display:flex;align-items:center;gap:12px;margin-bottom:32px;}
.logo-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--red),var(--blue-mid));border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 8px 24px rgba(230,57,70,.4);}
.clinic-name h1{font-family:'Playfair Display',serif;font-size:18px;color:var(--white);line-height:1.2;}
.clinic-name span{font-size:11px;color:var(--blue-light);letter-spacing:2px;text-transform:uppercase;}
.login-title{font-family:'Playfair Display',serif;font-size:32px;color:var(--white);margin-bottom:6px;}
.login-sub{font-size:14px;color:var(--gray);margin-bottom:36px;}
.input-group{margin-bottom:20px;}
.input-group label{display:block;font-size:12px;color:var(--blue-light);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px;font-weight:500;}
.input-wrap{position:relative;}
.input-wrap .icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:18px;pointer-events:none;}
.input-wrap input{width:100%;background:rgba(255,255,255,.07);border:1.5px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 16px 14px 46px;color:var(--white);font-size:15px;font-family:'DM Sans',sans-serif;transition:.3s;outline:none;}
.input-wrap input::placeholder{color:rgba(255,255,255,.25);}
.input-wrap input:focus{border-color:var(--blue-mid);background:rgba(69,123,157,.15);box-shadow:0 0 0 4px rgba(69,123,157,.15);}
.btn-login{width:100%;padding:15px;background:linear-gradient(135deg,var(--red),var(--red-dark));border:none;border-radius:12px;color:#fff;font-size:16px;font-weight:600;font-family:'DM Sans',sans-serif;cursor:pointer;margin-top:8px;position:relative;overflow:hidden;transition:transform .2s,box-shadow .3s;box-shadow:0 8px 24px rgba(230,57,70,.4);}
.btn-login:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(230,57,70,.55);}
.btn-login .ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.3);transform:scale(0);animation:ripple .6s linear;pointer-events:none;}
@keyframes ripple{to{transform:scale(4);opacity:0}}
.login-footer{margin-top:24px;text-align:center;font-size:12px;color:rgba(255,255,255,.2);}

/* ══ ERROR ══ */
#errorOverlay{display:none;position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);align-items:center;justify-content:center;}
#errorOverlay.show{display:flex;animation:fadeIn .3s ease;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.error-box{background:linear-gradient(135deg,#1a0a0b,#2d1418);border:1.5px solid rgba(230,57,70,.5);border-radius:24px;padding:48px 40px;text-align:center;max-width:380px;width:90%;box-shadow:0 0 80px rgba(230,57,70,.3);animation:shakeIn .5s cubic-bezier(.36,.07,.19,.97) both;}
@keyframes shakeIn{0%{transform:scale(.7) rotate(-3deg);opacity:0}50%{transform:scale(1.05) rotate(2deg)}70%{transform:scale(.97) rotate(-1deg)}100%{transform:scale(1) rotate(0);opacity:1}}
.error-emoji{font-size:72px;display:block;margin-bottom:16px;animation:wobble .8s ease .3s both;}
@keyframes wobble{0%,100%{transform:rotate(0)}25%{transform:rotate(-10deg)}50%{transform:rotate(10deg)}75%{transform:rotate(-5deg)}}
.error-box h2{font-family:'Playfair Display',serif;font-size:36px;color:var(--red-light);margin-bottom:8px;}
.error-box p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:28px;line-height:1.6;}
.btn-retry{background:transparent;border:1.5px solid var(--red);color:var(--red-light);padding:12px 32px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:'DM Sans',sans-serif;transition:.2s;}
.btn-retry:hover{background:var(--red);color:#fff;}

/* ══ SUCCESS ══ */
#successOverlay{display:none;position:fixed;inset:0;z-index:190;background:radial-gradient(ellipse at center,rgba(45,106,79,.4) 0%,rgba(13,27,42,.9) 70%);align-items:center;justify-content:center;flex-direction:column;}
#successOverlay.show{display:flex;}
.success-ring{width:120px;height:120px;border-radius:50%;border:4px solid var(--green-mid);display:flex;align-items:center;justify-content:center;font-size:52px;animation:ringPop .6s cubic-bezier(.22,1,.36,1) both;box-shadow:0 0 60px rgba(82,183,136,.5),0 0 120px rgba(82,183,136,.2);margin-bottom:24px;}
@keyframes ringPop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.15)}100%{transform:scale(1);opacity:1}}
.success-text{font-family:'Playfair Display',serif;font-size:36px;color:var(--green-light);animation:slideUp .5s ease .3s both;}
.success-sub{color:rgba(255,255,255,.5);font-size:14px;animation:slideUp .5s ease .5s both;margin-top:8px;}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.confetti-piece{position:fixed;top:-20px;animation:confettiFall linear forwards;}
@keyframes confettiFall{to{transform:translateY(110vh) rotate(720deg);opacity:0}}