.signup-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 10;
    padding: 1rem;
}
.signup-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}
.signup-modal__content {
    background: var(--color-card);
    color: var(--color-text);
    border-radius: var(--radius-card);
    padding: 2rem;
    width: min(92vw, 420px);
    box-shadow: var(--shadow-card);
    position: relative;
    border: 1px solid var(--color-border);
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
}
.signup-modal__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: transparent;
    color: var(--color-text);
    font-size: 1.5rem;
    border: none;
    cursor: pointer;
}
.signup-modal__subtitle {
    margin: 0.5rem 0 1.25rem;
    color: var(--color-text-secondary);
    font-size: 1rem;
}
.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.signup-form[hidden] {
    display: none;
}
.signup-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
}
.signup-field input {
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    font-size: 1rem;
    font-family: var(--font-body),sans-serif;
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text);
}
.signup-field select {
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    font-size: 1rem;
    font-family: var(--font-body),sans-serif;
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text);
    appearance: none;
}
.signup-phone-group {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.signup-country-trigger,
.signup-university-trigger {
    width: fit-content;
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    box-shadow: none;
    font-size: 1rem;
    font-family: var(--font-body),sans-serif;
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
}
.signup-country-trigger.is-selected,
.signup-university-trigger.is-selected {
    border-color: color-mix(in srgb, var(--color-border) 70%, var(--color-accent));
}
.signup-phone-group select {
    flex: 1 1 45%;
    min-width: 150px;
}
.signup-phone-group input {
    flex: 1 1 60%;
    min-width: 160px;
}
.signup-checkbox {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}
.signup-checkbox input {
    margin-top: 0.2rem;
}
.signup-data-note {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}
.signup-data-note a {
    color: var(--color-accent);
    text-decoration: none;
}
.signup-data-note a:hover,
.signup-data-note a:focus {
    text-decoration: underline;
}
.signup-message {
    margin-top: 1rem;
    min-height: 1.25rem;
    font-size: 0.95rem;
    white-space: pre-line;
}
.signup-message--error {
    color: #ff7a7a;
}
.signup-message--success {
    color: #6ee58c;
}
.signup-submit {
    width: 100%;
    padding: 0.75rem;
}
.signup-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}
.signup-toggle[hidden] {
    display: none;
}
.signup-toggle__button {
    background: none;
    border: none;
    color: var(--color-accent);
    font-weight: 600;
    cursor: pointer;
    padding: 2%;
    font-family: var(--font-body),sans-serif;
}
.signup-toggle__text {
    margin: 0;
}
.signup-country-modal,
.signup-university-modal {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 3;
    padding: 1rem;
}
.signup-country-modal.is-open,
.signup-university-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}
.signup-country-modal__content {
    width: min(90vw, 360px);
    background: var(--color-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
}
.signup-country-modal__close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.4rem;
    cursor: pointer;
}
#signup-country-search,
#signup-university-search,
#profile-university-search {
    padding: 0.55rem 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    font-size: 0.95rem;
    font-family: var(--font-body),sans-serif;
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text);
}
.signup-country-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-height: 240px;
    overflow-y: auto;
}
.signup-country-option {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    box-shadow: none;
    color: var(--color-text);
    cursor: pointer;
    font-size: 0.95rem;
}
.signup-country-option:hover,
.signup-country-option:focus {
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    outline: none;
}
.signup-country-empty {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}