@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    text-align: center;
    animation: popIn 0.6s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

h2 {
    color: #2d3436;
    margin-bottom: 10px;
    font-weight: 600;
}

p {
    color: #636e72;
    font-size: 14px;
    margin-bottom: 30px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    outline: none;
    transition: 0.3s;
    box-sizing: border-box;
    text-align: center;
    letter-spacing: 1px;
}

.input-group input:focus {
    border-color: #764ba2;
    box-shadow: 0 0 0 4px rgba(118, 75, 162, 0.1);
}

button {
    width: 100%;
    padding: 16px;
    margin-top: 20px;
    background: #764ba2;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

button:hover {
    background: #5b3a7d;
    transform: translateY(-2px);
}

button:disabled {
    background: #a5a5a5;
    cursor: not-allowed;
}

/* Loader */
.loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

button.loading .btn-text { visibility: hidden; }
button.loading .loader { display: block; }

@keyframes spin { 0% { transform: translate(-50%, -50%) rotate(0deg); } 100% { transform: translate(-50%, -50%) rotate(360deg); } }

#status-message {
    margin-top: 15px;
    font-size: 14px;
    min-height: 20px;
}
.error { color: #e74c3c; }
.success { color: #27ae60; }