 /* RESET */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Segoe UI', sans-serif;
    }

    /* BACKGROUND */
    body {
        height: 100vh;
        background: linear-gradient(135deg, #198754, #0d6efd);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    /* CARD */
    .container {
        background: #fff;
        padding: 30px;
        width: 100%;
        max-width: 400px;
        border-radius: 15px;
        box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        animation: fadeIn 0.5s ease-in-out;
    }

    @keyframes fadeIn {
        from {opacity: 0; transform: translateY(10px);}
        to {opacity: 1; transform: translateY(0);}
    }

    /* TITLE */
    h2, h3 {
        text-align: center;
        margin-bottom: 20px;
        color: #198754;
    }

    /* INPUT */
    input {
        width: 100%;
        padding: 12px 14px;
        margin: 10px 0;
        border-radius: 8px;
        border: 1px solid #ccc;
        transition: 0.3s;
        font-size: 14px;
    }

    input:focus {
        border-color: #198754;
        box-shadow: 0 0 6px rgba(25,135,84,0.3);
        outline: none;
    }

    /* BUTTON */
    button {
        width: 100%;
        padding: 12px;
        border: none;
        border-radius: 8px;
        margin-top: 10px;
        font-weight: bold;
        cursor: pointer;
        transition: 0.3s;
    }

    /* PRIMARY */
    .btn-main {
        background: #198754;
        color: #fff;
    }

    .btn-main:hover {
        background: #157347;
    }

    /* SECONDARY */
    .btn-secondary {
        background: #0d6efd;
        color: #fff;
    }

    .btn-secondary:hover {
        background: #0b5ed7;
    }

    /* TEXT */
    .small-text {
        text-align: center;
        margin-top: 10px;
        color: #555;
        font-size: 13px;
    }

    /* MESSAGE */
    .msg {
        padding: 10px;
        border-radius: 6px;
        text-align: center;
        margin-bottom: 10px;
        font-size: 14px;
    }

    .error {
        background: #f8d7da;
        color: #842029;
    }

    .success {
        background: #d1e7dd;
        color: #0f5132;
    }
     #timer { font-weight:bold; color:red; }