@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");

.sign-container {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(320px, 1.05fr) minmax(320px, 0.95fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    padding: clamp(1.5rem, 4vw, 3rem);
    position: relative;
    overflow: hidden;
    font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
    background:
        radial-gradient(1000px 700px at 5% 0%, rgba(42, 110, 140, 0.35), transparent 60%),
        radial-gradient(800px 500px at 95% 20%, rgba(9, 160, 170, 0.25), transparent 55%),
        linear-gradient(180deg, #091521 0%, #0b1622 100%);
}

.sign-container-single {
    grid-template-columns: minmax(320px, 520px);
    justify-content: center;
    align-content: center;
}

.sign-container-single .sign-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

.sign-container-single .sign-panel-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sign-container-single .sign-form-card {
    margin-top: 0.5rem;
}
.sign-container::after {
    content: "";
    position: absolute;
    inset: auto -200px -240px auto;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(124, 241, 232, 0.25), transparent 70%);
    filter: blur(10px);
    pointer-events: none;
}

.sign-panel {
    background: linear-gradient(150deg, rgba(15, 32, 50, 0.95), rgba(10, 20, 33, 0.95));
    border-radius: 24px;
    padding: clamp(2rem, 4vw, 3.5rem);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
}

.sign-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(300px 200px at 20% 20%, rgba(35, 162, 181, 0.35), transparent 70%),
        radial-gradient(240px 180px at 80% 70%, rgba(255, 140, 0, 0.18), transparent 70%);
    opacity: 0.8;
}

.sign-panel-content {
    position: relative;
    z-index: 1;
}

.sign-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: rgba(255, 255, 255, 0.08);
    color: #dce7f7;
}

.sign-title {
    margin: 1.5rem 0 0.5rem;
    font-family: "Fraunces", "Georgia", serif;
    font-size: clamp(2rem, 4vw, 3rem);
    color: #f5f7ff;
}

.sign-subtitle {
    margin: 0 0 2rem;
    font-size: 1.05rem;
    color: #b7c7da;
    max-width: 28ch;
}

.sign-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sign-highlight {
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    background: rgba(25, 198, 194, 0.16);
    border: 1px solid rgba(25, 198, 194, 0.35);
    color: #d6fffb;
    font-size: 0.85rem;
    font-weight: 600;
}

.sign-form {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sign-form-card {
    width: min(420px, 100%);
    background: #0f1e2f;
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(2, 10, 22, 0.35);
    animation: rise-in 0.6s ease both;
}

.sign-form-title {
    margin: 0;
    font-size: 1.5rem;
    color: #f5f7ff;
}

.sign-form-subtitle {
    margin: 0.5rem 0 1.5rem;
    color: #9fb3c8;
}

.sign-form form,
.sign-form-card form {
    display: grid;
    gap: 1rem;
}

.sign-form form table,
.sign-form form tbody,
.sign-form form tr,
.sign-form form th,
.sign-form form td,
.sign-form-card form table,
.sign-form-card form tbody,
.sign-form-card form tr,
.sign-form-card form th,
.sign-form-card form td {
    display: block;
    width: 100%;
    padding: 0;
    margin: 0;
}

.sign-form form tr,
.sign-form-card form tr {
    margin-bottom: 1rem;
}

.sign-form form th,
.sign-form-card form th {
    margin-bottom: 0.35rem;
}

.sign-form label,
.sign-form-card label {
    font-weight: 600;
    color: #c9d6e8;
}

.sign-form input[type="text"],
.sign-form input[type="password"],
.sign-form input[type="email"],
.sign-form select,
.sign-form-card input[type="text"],
.sign-form-card input[type="password"],
.sign-form-card input[type="email"],
.sign-form-card select {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    border: 1px solid rgba(124, 241, 232, 0.22);
    background: linear-gradient(135deg, rgba(15, 34, 55, 0.95), rgba(11, 22, 34, 0.95));
    color: #e9f5ff;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sign-form input[type="text"]:focus,
.sign-form input[type="password"]:focus,
.sign-form input[type="email"]:focus,
.sign-form select:focus,
.sign-form-card input[type="text"]:focus,
.sign-form-card input[type="password"]:focus,
.sign-form-card input[type="email"]:focus,
.sign-form-card select:focus {
    outline: none;
    border-color: rgba(25, 198, 194, 0.8);
    box-shadow:
        0 0 0 3px rgba(25, 198, 194, 0.22),
        0 12px 20px rgba(4, 25, 36, 0.4);
}

.sign-form input[type="submit"],
.sign-form button,
.sign-form-card input[type="submit"],
.sign-form-card button,
.sign-button {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: #02161f;
    background: linear-gradient(120deg, #9ff7f0, #38d5cf);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    text-align: center;
}

.sign-form input[type="submit"]:hover,
.sign-form button:hover,
.sign-form-card input[type="submit"]:hover,
.sign-form-card button:hover,
.sign-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(25, 198, 194, 0.3);
    filter: saturate(1.05);
}

.sign-form input[type="submit"]:active,
.sign-form button:active,
.sign-form-card input[type="submit"]:active,
.sign-form-card button:active,
.sign-button:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(25, 198, 194, 0.22);
}

.sign-form .error,
.sign-form .form-error,
.sign-form .form-errors,
.sign-form ul.error,
.sign-form-card .error,
.sign-form-card .form-error,
.sign-form-card .form-errors,
.sign-form-card ul.error {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: rgba(255, 95, 95, 0.12);
    border: 1px solid rgba(255, 95, 95, 0.35);
    color: #ffb3b3;
}

.sign-form .error li,
.sign-form .form-errors li {
    margin: 0.2rem 0;
}

.sign-form-foot {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #9fb3c8;
    text-align: center;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .sign-container {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }

    .sign-panel {
        order: 2;
    }

    .sign-form {
        order: 1;
    }
}