body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(120deg, #c9deff 0%, #f7e8ff 100%);
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    left: -250px;
    top: 0;
    width: 250px;
    height: 100%;
    background: #182848;
    color: #fff;
    transition: left 0.4s cubic-bezier(.68,-0.55,.27,1.55);
    z-index: 9999;
    box-shadow: 2px 0 12px rgba(30,30,80,0.1);
}

.sidebar.active {
    left: 0;
}

.menu-btn {
    margin: 20px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    background: #f6f9ff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.menu-btn .profile-photo, .sidebar .profile-photo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2.5px solid #57bfff;
    box-shadow: 0 2px 7px rgba(87,191,255,0.08);
}

.sidebar nav {
    margin-top: 40px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    padding: 16px 20px;
    font-size: 1.14rem;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-menu .expanded-links {
    display: none;
    list-style: none;
    margin-left: 16px;
    padding: 0;
}

.sidebar-menu .expandable.active .expanded-links {
    display: block;
    animation: fadeInSubMenu 0.22s ease;
}

@keyframes fadeInSubMenu {
    from { opacity: 0; transform: translateY(-8px);}
    to { opacity: 1; transform: translateY(0);}
}

.arrow {
    margin-left: auto;
    transition: transform 0.2s;
}

.expandable.active .arrow {
    transform: rotate(180deg);
}

.main-content {
    margin-left: 0;
    transition: margin-left 0.4s cubic-bezier(.68,-0.55,.27,1.55);
}

.sidebar.active ~ .main-content {
    margin-left: 250px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 30px;
    background: #fff;
    padding: 24px 32px 20px 32px;
    border-bottom: 1.8px solid #e4e7f1;
    box-shadow: 0 4px 16px rgba(200,220,255,0.07);
    position: sticky;
    top: 0;
    z-index: 9040;
}

.welcome h2 {
    font-size: 2.3rem;
    color: #2a3363;
    margin: 0 0 7px 0;
}

#welcomeMsg {
    letter-spacing: 0.02em;
}

#thoughtOfDay {
    font-size: 1.08rem;
    margin-top: 6px;
    color: #4393fa;
    font-style: italic;
}

#dateInfo {
    font-size: 0.94rem;
    margin-top: 7px;
    color: #a2a9d4;
}

.visiting-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 36px;
    justify-content: center;
    margin: 36px 0 90px 0;
}

.visit-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(44,94,183,0.08);
    padding: 24px 26px;
    min-width: 210px;
    max-width: 242px;
    flex: 1 1 220px;
    transition: box-shadow 0.22s, transform 0.22s;
    cursor: pointer;
    position: relative;
    text-align: center;
    border: 1.2px solid #dedbfd;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    animation: cardIn 0.65s cubic-bezier(.5,1.34,.72,.97);
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(60px) scale(.88);}
    to { opacity: 1; transform: none;}
}

.visit-card:hover {
    box-shadow: 0 8px 28px rgba(59,142,254,0.20);
    transform: scale(1.037);
    border-color: #7dc7fd;
}

.visit-card i {
    font-size: 2.3rem;
    margin-bottom: 7px;
    color: #56c5f7;
}

.card-lbl {
    color: #a8b3df;
    font-size: 0.92rem;
    margin-top: 6px;
}

.spa-container {
    display: none;
    position: fixed;
    left: 0; top: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10050;
    background: rgba(255,255,255, 0.98);
    justify-content: center;
    align-items: center;
    overflow: auto;
    animation: fadeInSPA 0.3s ease;
}

.spa-container.active {
    display: flex;
}

@keyframes fadeInSPA {
    from { opacity: 0; }
    to { opacity: 1;}
}

/* SPA content box */
.spa-content {
    background: #fff;
    border-radius: 18px;
    padding: 44px 34px 28px 34px;
    box-shadow: 0 7px 44px rgba(57,111,254,0.12);
    min-width: 340px;
    max-width: 520px;
    min-height: 220px;
    position: relative;
    animation: popInSPA 0.3s cubic-bezier(.5,1.34,.72,.97);
}

@keyframes popInSPA {
    from { opacity: 0; transform: scale(.7);}
    to { opacity: 1; transform: scale(1);}
}

.spa-close {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 1.7rem;
    color: #8394dd;
    background: none;
    border: none;
    cursor: pointer;
    transition: color .23s;
}

.spa-close:hover {
    color: #274aff;
}

/* Contact form styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 11px;
    margin-top: 13px;
}

.contact-form label {
    font-size: 1rem;
    color: #274aff;
    font-weight: 500;
}

.contact-form input, .contact-form select, .contact-form textarea {
    border-radius: 5.5px;
    border: 1.2px solid #dee3fd;
    padding: 9px 11px;
    font-size: 1rem;
}

.contact-form button {
    background: #5dc6fa;
    border: none;
    padding: 12px;
    color: #fff;
    border-radius: 7px;
    font-size: 1.07rem;
    font-weight: 550;
    cursor: pointer;
}

.contact-form button:hover {
    background: #2978fe;
}

.spa-content { padding: 22px; }
.spa-layer { background:#fff; padding:16px; border-radius:14px; }

.section-header {
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:14px;
}

.profile-img {
    width:84px;
    border-radius:50%;
    border:2px solid #74e7fa;
}

.info-row, .edu-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:6px;
    font-size:14px;
}

.edu-block, .skill-card, .project-card {
    background:#f3f6ff;
    padding:14px;
    border-radius:12px;
    margin-bottom:12px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width:100%;
    padding:9px;
    border-radius:8px;
    border:1px solid #ccc;
}

.primary-btn {
    background:#4f46e5;
    color:#fff;
    padding:10px;
    border-radius:10px;
    border:none;
    cursor:pointer;
}

@media (max-width: 800px) {
    .visiting-cards {
        gap: 24px;
    }
    .main-content {
        padding: 12px 8px;
    }
    .spa-content {
        padding: 26px 9px 18px 14px;
        max-width: 99vw;
    }
  }

  a {
    color: red;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
    color: #2a3363;
  }