* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
#head {

    font-size: 2.5rem;
    color: #38bdf8;
}
body {
    background-color: #0f172a; 
    color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
    padding: 20px;
}

#form {
    background-color: #1e293b; 
    margin-top: 10px;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}


input {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 12px;
    border: 1px solid #334155;
    border-radius: 6px;
    background-color: #0f172a;
    color: #fff;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #38bdf8;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.2s;
}

button:active {
    transform: scale(0.98);
}

#sendcode {
    background-color: #334155;
    color: #f8fafc;
    margin-bottom: 10px;
}

#verbtn {
    background-color: #0ea5e9;
    color: white;
}

#signupbtn {
    background-color: #10b981; 
    color: white;
    font-size: 1.1rem;
    margin-top: 10px;
}

button:hover {
    opacity: 0.9;
}

#message {
    margin-top: 15px;
    font-size: 0.9rem;
    color: red;
}
#warn{
    display: none;
    position: fixed;
    top: 20px;         
    left: 50%;          
    transform: translateX(-50%); 
    min-width: 300px; 
    padding: 15px 25px; 
    background-color: #f34d30;
    color: white;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;  
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999; 

}


@media (max-width: 768px) {
    #form {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    #form {
        padding: 1.5rem;
        border-radius: 8px;
    }

    #head {
        font-size: 1.25rem;
    }

    input, button {
        padding: 10px;
    }
}

 .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1.5rem;
    margin-bottom: 1rem;
    width: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    animation: fadeUp 0.6s cubic-bezier(0.22,1,0.36,1) both;
  }
 
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }
 
  .card-label {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    color: var(--text);
    letter-spacing: 0.01em;
  }
 
  .card-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
   /* Avatar ring */
  .avatar-wrap {
    position: relative;
    width: 140px;
    height: 140px;
    cursor: pointer;
  }
 
  .avatar-ring {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: var(--surface2);
    border: 1.5px dashed rgba(200,169,110,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
    position: relative;
  }
 
  .avatar-wrap:hover .avatar-ring {
    border-color: var(--accent);
    box-shadow: 0 0 0 6px var(--accent-dim);
    transform: scale(1.03);
  }

 
  /* Spinning arc on hover */
  .avatar-arc {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1.5px solid transparent;
    border-top-color: var(--accent);
    opacity: 0;
    transition: opacity 0.2s;
    animation: spin 1.4s linear infinite;
    pointer-events: none;
  }
 
  .avatar-wrap:hover .avatar-arc {
    opacity: 1;
  }
 
  @keyframes spin {
    to { transform: rotate(360deg); }
  }
 
  .avatar-img {
    display: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: absolute;
    inset: 0;
    transition: opacity 0.3s;
  }
 
  .avatar-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    transition: color 0.2s;
  }
 
  .avatar-wrap:hover .avatar-placeholder {
    color: var(--accent);
  }
 
  .avatar-placeholder svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.3;
    stroke-linecap: round;
  }
 
  .avatar-placeholder span {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
 
  .avatar-overlay {
    display: none;
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(0,0,0,0.55);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
  }
 
  .avatar-overlay svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
  }
 
  .avatar-overlay span {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
  }
 
  .avatar-wrap:hover .avatar-overlay.visible {
    display: flex;
  }
 
  .filename {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 14px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: none;
    transition: opacity 0.3s;
  }
 
  .filename.show { opacity: 1; }
 
 
  input[type="file"] { display: none; }
 
  /* Success tick */
  .tick {
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 26px;
    height: 26px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.3s, transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  }
 
  .tick.show { opacity: 1; transform: scale(1); }
 
  .tick svg {
    width: 13px;
    height: 13px;
    stroke: #0e0e10;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
  }