@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root {
    --home-bg: #15161a;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(0, 0, 0, 0.35);
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus: #376df9;
    --text-primary: #f5f5f5;
    --text-secondary: rgba(245, 245, 245, 0.55);
    --accent: #376df9;
    --accent-hover: #2a5bd9;
    --radius: 12px;
}

body {
    display: flex;
    box-sizing: border-box;
    min-height: 100vh;
    justify-content: center;
    align-items: center;
    background: var(--home-bg);
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 20px;
}

/* Join Form */
.join-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px 36px 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
}

/* Logo */
.form-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.form-logo img {
    width: 48px;
    height: 48px;
}

.form-header {
    text-align: center;
    margin-bottom: 32px;
}

.form-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin: 0;
    font-weight: 400;
}

/* Input groups */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.input-group label i {
    font-size: 0.8rem;
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group input,
#userNameInput {
    width: 100%;
    padding: 14px 52px 14px 16px;
    border: 1.5px solid var(--input-border);
    border-radius: var(--radius);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    font-family: 'Montserrat', sans-serif;
    box-sizing: border-box;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.input-group input::placeholder,
#userNameInput::placeholder {
    color: rgba(245, 245, 245, 0.25);
}

.input-group input:focus,
#userNameInput:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(55, 109, 249, 0.15);
}

.input-group input.shuffle-active,
#userNameInput.shuffle-active {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px rgba(55, 109, 249, 0.2);
    transition:
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

/* Random buttons inside inputs */
.input-btn {
    position: absolute;
    right: 8px;
    background: rgba(55, 109, 249, 0.15);
    border: none;
    border-radius: 8px;
    color: var(--accent);
    padding: 8px 10px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s ease;
}

.input-btn:hover {
    background: rgba(55, 109, 249, 0.3);
}

/* Join button */
.join-button {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius);
    background: var(--accent);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    transition:
        background 0.2s ease,
        transform 0.15s ease,
        box-shadow 0.2s ease;
    box-shadow: 0 4px 16px rgba(55, 109, 249, 0.3);
    margin-top: 8px;
}

.join-button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(55, 109, 249, 0.4);
}

.join-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(55, 109, 249, 0.3);
}

/* Divider */
.form-divider {
    display: flex;
    align-items: center;
    margin: 24px 0 16px;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--card-border);
}

.form-divider span {
    padding: 0 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.form-divider .privacy-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.form-divider .privacy-link:hover {
    color: var(--accent);
}

/* Support / footer button */
.support-btn {
    width: 100%;
    background: transparent;
    border: none;
    border-radius: 8px;
    padding: 10px;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 400;
    cursor: pointer;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: 'Montserrat', sans-serif;
    transition: color 0.2s ease;
}

.support-btn:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 480px) {
    .join-form {
        padding: 28px 20px 24px;
        border-radius: 16px;
    }

    .form-header h2 {
        font-size: 1.2rem;
    }

    .input-group input,
    #userNameInput {
        padding: 12px 48px 12px 14px;
        font-size: 0.9rem;
    }

    .join-button {
        padding: 14px 20px;
        font-size: 0.95rem;
    }
}