/* BioStem Portal — theme-specific styles */
:root {
    --color-teal:      #59DEBB;
    --color-dark-teal: #006562;
    --color-gold:      #FFC500;
    --color-mid-teal:  #009991;
    --font-main:       'GTWalsheimPro', 'Open Sans', sans-serif;
}

/* ── Login form ─────────────────────────────────────────────── */
.biostem-login-wrap { font-family: var(--font-main); }
.biostem-login-error {
    background: #fff0f0; border-left: 4px solid #c00;
    padding: 12px 16px; margin-bottom: 20px; border-radius: 4px;
    color: #c00; font-size: 14px;
}
.biostem-login-form .form-field { margin-bottom: 20px; }
.biostem-login-form label { display: block; font-weight: 600; margin-bottom: 6px; color: #333; font-size: 14px; }
.biostem-login-form input[type="text"],
.biostem-login-form input[type="password"] {
    width: 100%; padding: 12px 16px; border: 1px solid #ccc;
    border-radius: 6px; font-size: 15px; transition: border-color .2s;
    box-sizing: border-box;
}
.biostem-login-form input:focus { border-color: var(--color-dark-teal); outline: none; }
.biostem-login-form .form-submit { margin-top: 10px; }
.biostem-login-form .form-links { margin-top: 16px; font-size: 13px; color: #666; }
.biostem-login-form .form-links a { color: var(--color-dark-teal); text-decoration: none; }
.biostem-login-form .form-links a:hover { text-decoration: underline; }

/* ── Buttons ────────────────────────────────────────────────── */
.a-button {
    display: inline-block; padding: 12px 28px; border-radius: 50px;
    font-weight: 600; font-size: 14px; text-decoration: none; cursor: pointer;
    border: 2px solid transparent; transition: all .2s; letter-spacing: .5px;
}
.a-button--primary {
    background: var(--color-dark-teal); color: #fff; border-color: var(--color-dark-teal);
}
.a-button--primary:hover { background: #004d4a; border-color: #004d4a; color: #fff; }
.a-button--secondary {
    background: transparent; color: var(--color-dark-teal); border-color: var(--color-dark-teal);
}
.a-button--secondary:hover { background: var(--color-dark-teal); color: #fff; }

/* ── PDF Download Cards ─────────────────────────────────────── */
.biostem-downloads-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
    gap: 24px; margin: 32px 0;
}
.m-card-download {
    background: #fff; border: 1px solid #e5e5e5; border-radius: 10px;
    overflow: hidden; transition: box-shadow .2s;
}
.m-card-download:hover { box-shadow: 0 4px 20px rgba(0,0,0,.1); }
.m-card-download__thumb img { width: 100%; height: 160px; object-fit: cover; }
.m-card-download__content { padding: 14px 16px; }
.m-card-download__title { font-size: 13px; font-weight: 600; color: #333; margin: 0 0 12px; line-height: 1.4; }
.m-card-download__btn { font-size: 12px; padding: 8px 16px; }
.m-card-download__btn i { margin-right: 4px; }

/* ── Section headers ────────────────────────────────────────── */
.biostem-section-title {
    font-size: 22px; font-weight: 700; color: var(--color-dark-teal);
    margin: 40px 0 16px; padding-bottom: 8px;
    border-bottom: 2px solid var(--color-teal);
}
.biostem-section-sub {
    font-size: 17px; font-weight: 600; color: #333; margin: 24px 0 12px;
}

/* ── Product tabs ───────────────────────────────────────────── */
.biostem-tabs { margin: 32px 0; }
.biostem-tabs__nav {
    display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px;
    border-bottom: 2px solid #e5e5e5;
}
.biostem-tabs__btn {
    padding: 10px 20px; border: none; background: none; cursor: pointer;
    font-size: 14px; font-weight: 600; color: #666;
    border-bottom: 3px solid transparent; margin-bottom: -2px;
    transition: all .2s;
}
.biostem-tabs__btn.active,
.biostem-tabs__btn:hover { color: var(--color-dark-teal); border-bottom-color: var(--color-dark-teal); }
.biostem-tabs__panel { display: none; }
.biostem-tabs__panel.active { display: block; }

/* ── Footer ─────────────────────────────────────────────────── */
.o-footer { background: var(--color-dark-teal); color: #fff; padding: 60px 0 30px; }
.o-footer__container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.o-footer__column--2, .o-footer__column--3{
    padding-right:40px;
}
.m-nav--footer .m-nav__item:before {
    display: none;
}
.o-footer__columns-wrapper {display: flex;grid-template-columns: 1fr 1fr 1fr 1fr;margin-bottom: 48px;}
.o-footer__address p { margin: 4px 0; font-size: 14px; opacity: .8; }
.o-footer__address a { color: var(--color-teal); text-decoration: none; }
.o-footer__nav-title { font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; opacity: .6; }
.o-footer__nav-list { list-style: none; padding: 0; margin: 0; }
.o-footer__nav-list li { margin-bottom: 10px; }
.o-footer__nav-list a { color: #fff; text-decoration: none; font-size: 14px; opacity: .85; transition: opacity .2s; }
.o-footer__nav-list a:hover { opacity: 1; color: var(--color-teal); }
.o-footer__bottom { border-top: 1px solid rgba(255,255,255,.15); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.o-footer__copyright { font-size: 13px; opacity: .6; margin: 0; }
.o-footer__legal-links a { color: rgba(255,255,255,.6); font-size: 13px; text-decoration: none; margin-left: 20px; }
.o-footer__legal-links a:hover { color: #fff; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .o-footer__columns-wrapper { grid-template-columns: 1fr; gap: 32px; }
    .biostem-downloads-grid { grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); }
}