/* ------------------------------
   GLOBAL BACKGROUND
------------------------------ */
body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top, #111 0%, #000 60%);
    font-family: "Poppins", sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}


/* ------------------------------
   GLASS CONTAINER
------------------------------ */
.container {
    width: 350px;
    padding: 28px;
    text-align: center;
    border-radius: 20px;

    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(14px);

    box-shadow: 0px 10px 40px rgba(0, 0, 0, 0.55);

    animation: fadeIn 0.7s ease-out;
    transform: translateY(0);
}


/* ------------------------------
   TEXT
------------------------------ */
.title {
    font-size: 26px;
    font-weight: 700;
    color: white;
}

.subtitle {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 15px;
}


/* ------------------------------
   INPUT FIELDS
------------------------------ */
.input {
    width: 100%;
    padding: 12px;
    margin-top: 14px;
    border-radius: 12px;

    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;

    font-size: 15px;
    outline: none;
    transition: 0.35s ease;
}

.input:focus {
    background: rgba(255, 255, 255, 0.22);
    border-color: #1db954;
    box-shadow: 0 0 8px #1db954;
}


/* ------------------------------
   BUTTONS
------------------------------ */
.btn {
    width: 100%;
    margin-top: 18px;
    padding: 12px;

    background: #1db954;
    color: #000;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;

    border-radius: 12px;
    transition: 0.3s;
}

.btn:hover {
    background: #18a347;
}


/* Transparent Outline Button */
.btn-outline {
    width: 100%;
    margin-top: 12px;
    padding: 12px;

    background: transparent;
    border-radius: 12px;

    border: 2px solid #1db954;
    color: #1db954;
    cursor: pointer;
    font-size: 15px;

    transition: 0.3s ease;
}

.btn-outline:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: #888;
    color: #888;
}

.btn-outline:hover:not(:disabled) {
    background: #1db954;
    color: black;
}


/* ------------------------------
   SECTIONS (OTP & RESET)
------------------------------ */
.section {
    margin-top: 15px;
    opacity: 0;
    animation: slideUp 0.7s forwards ease;
}

.hidden {
    display: none;
}


/* ------------------------------
   TIMER STYLE
------------------------------ */
.timer-box {
    margin-top: 10px;
    font-size: 15px;
    color: #ffdf7e;
    font-weight: 600;
}


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

@keyframes slideUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}


/* ------------------------------
   MOBILE RESPONSIVE
------------------------------ */
@media (max-width: 450px) {
    .container {
        width: 90%;
        padding: 22px;
    }

    .title {
        font-size: 22px;
    }
}