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

*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --cyan:         #00bfff;
    --cyan-hover:   #29caff;
    --cyan-dim:     rgba(0, 191, 255, 0.7);
    --cyan-10:      rgba(0, 191, 255, 0.10);
    --cyan-35:      rgba(0, 191, 255, 0.35);
    --white:        #ffffff;
    --white-65:     rgba(255, 255, 255, 0.65);
    --white-50:     rgba(255, 255, 255, 0.50);
    --white-35:     rgba(255, 255, 255, 0.35);
    --white-18:     rgba(255, 255, 255, 0.18);
    --white-08:     rgba(255, 255, 255, 0.08);
    --dark-bg:      rgba(8, 12, 20, 0.80);
    --red-light:    rgba(220, 38, 38, 0.15);
    --red-border:   rgba(220, 38, 38, 0.40);
    --orange-light: rgba(234, 88, 12, 0.15);
    --orange-border:rgba(234, 88, 12, 0.40);
    --green-light:  rgba(22, 163, 74, 0.15);
    --green-border: rgba(22, 163, 74, 0.40);
    --radius-sm:    8px;
    --radius-md:    12px;
    --radius-pill:  30px;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--white);
    background: linear-gradient(180deg, #080c12 0%, #111827 100%);
    background-image: url('/static/images/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
}

.signup-wrap {
    width: 100%;
    max-width: 480px;
    padding: 24px 20px;
    animation: fadeUp 0.4s ease both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.signup-card {
    background: var(--dark-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--radius-md);
    padding: 40px 40px 36px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55),
                0 0 0 1px rgba(0, 191, 255, 0.04);
}

.signup-logo {
    font-size: 42px;
    font-weight: 700;
    color: var(--cyan);
    text-align: center;
    letter-spacing: -1px;
    margin: 0 0 6px;
    line-height: 1;
}

.signup-heading {
    font-size: 20px;
    font-weight: 600;
    color: var(--cyan);
    text-align: center;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.signup-subhead {
    font-size: 13px;
    color: var(--white-50);
    text-align: center;
    margin: 0 0 28px;
    line-height: 1.5;
}

.su-alert {
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 18px;
    font-size: 13.5px;
    line-height: 1.55;
    text-align: left;
}

.su-alert strong {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 700;
}

.su-alert-error {
    background: var(--red-light);
    border: 1px solid var(--red-border);
    color: #fca5a5;
}

.su-alert-error a { color: #f87171; }

.su-alert-warn {
    background: var(--orange-light);
    border: 1px solid var(--orange-border);
    color: #fdba74;
}

.su-alert-success {
    background: var(--green-light);
    border: 1px solid var(--green-border);
    color: #86efac;
}

.su-alert-success .highlight { color: #4ade80; }

.su-alert-info {
    background: var(--cyan-10);
    border: 1px solid var(--cyan-35);
    color: #7dd3fc;
}

.su-alert-info .title { color: #38bdf8; font-weight: 700; }

.field-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--white-65);
    margin-bottom: 6px;
    padding-left: 2px;
    letter-spacing: 0.3px;
}

#signup-form input[type="email"] {
    display: block;
    width: 100%;
    padding: 11px 16px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid var(--white-18);
    border-radius: var(--radius-sm);
    background: var(--white-08);
    color: var(--white);
    transition: border-color 0.2s, background 0.2s;
    outline: none;
    margin-bottom: 6px;
    inputmode: email;
}

#signup-form input[type="email"]:focus {
    border-color: var(--cyan-dim);
    background: var(--cyan-10);
}

#signup-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.field-hint {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.42);
    margin: 0 0 20px 2px;
    line-height: 1.45;
}

.signup-submit-row {
    margin-top: 6px;
    text-align: center;
}

.signup-submit-row button[type="submit"] {
    width: 100%;
    padding: 11px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    background: var(--cyan);
    color: #050d18;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.18s, transform 0.1s;
    letter-spacing: 0.01em;
}

.signup-submit-row button[type="submit"]:hover {
    background: var(--cyan-hover);
    transform: translateY(-1px);
}

.signup-submit-row button[type="submit"]:active {
    transform: translateY(0);
}

.signup-submit-row button[type="submit"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.submit-note {
    font-size: 11px;
    color: var(--white-35);
    margin-top: 12px;
    line-height: 1.55;
}

.signup-bottom {
    margin-top: 28px;
    text-align: center;
}

.signup-bottom p {
    font-size: 13px;
    color: var(--white-50);
    margin: 0 0 10px;
}

.signup-bottom a {
    display: inline-block;
    margin: 4px 6px;
    padding: 8px 22px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--cyan);
    text-decoration: none;
    border: 1px solid var(--cyan-35);
    border-radius: var(--radius-pill);
    transition: background 0.18s, border-color 0.18s, color 0.18s;
}

.signup-bottom a:hover {
    background: var(--cyan);
    color: #050d18;
    border-color: var(--cyan);
    text-decoration: none;
}

.signup-bottom a.secondary {
    color: var(--white-50);
    border-color: var(--white-18);
    font-weight: 400;
}

.signup-bottom a.secondary:hover {
    background: var(--white-08);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.35);
}

@media (max-width: 500px) {
    .signup-card {
        padding: 30px 22px 26px;
    }

    .signup-logo {
        font-size: 34px;
    }

    .signup-bottom a {
        display: block;
        margin: 6px 0;
    }
}