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

html {
    overflow-x: hidden;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    flex-direction: column;
}

.site-main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

h1, h2 {
  font-weight: bold;
}

/* Site Header - fixed on all pages */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 63, 127, 0.08);
}

.header-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.header-logo:hover {
    opacity: 0.9;
}

.header-logo-icon {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
}

.header-logo-text {
    font-size: 1.45rem;
    font-weight: 700;
    color: #003f7f;
    letter-spacing: -0.02em;
}

.header-logo:hover .header-logo-text {
    color: #007BFF;
}

.header-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: linear-gradient(145deg, #e8f4fd 0%, #d0e8f9 100%);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 63, 127, 0.12);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.header-menu-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 14px rgba(0, 63, 127, 0.18);
}

.header-menu-btn:active {
    transform: scale(0.98);
}

.header-menu-icon,
.header-menu-icon::before,
.header-menu-icon::after {
    display: block;
    width: 20px;
    height: 2.5px;
    background: #003f7f;
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-menu-icon {
    position: relative;
}

.header-menu-icon::before,
.header-menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
}

.header-menu-icon::before { top: -6px; }
.header-menu-icon::after { top: 6px; }

body.nav-open .header-menu-icon { background: transparent; }
body.nav-open .header-menu-icon::before {
    transform: translateY(6px) rotate(45deg);
    background: #003f7f;
}
body.nav-open .header-menu-icon::after {
    transform: translateY(-6px) rotate(-45deg);
    background: #003f7f;
}

body.dark-mode .header-menu-btn {
    background: linear-gradient(145deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.06) 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body.dark-mode .header-menu-btn:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

body.dark-mode .header-menu-icon,
body.dark-mode .header-menu-icon::before,
body.dark-mode .header-menu-icon::after {
    background: var(--text-secondary, #e8f4fd);
}

.header-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* User dropdown */
.header-user-wrap {
    position: relative;
}

.header-user-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(0, 63, 127, 0.08);
    border: 1px solid rgba(0, 63, 127, 0.2);
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: #003f7f;
    transition: background 0.2s, border-color 0.2s;
}

.header-user-trigger:hover {
    background: rgba(0, 63, 127, 0.12);
    border-color: #003f7f;
}

.header-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.header-avatar--letter {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #003f7f;
    color: white;
    font-size: 0.85rem;
}

.header-username {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-user-chevron {
    font-size: 0.6rem;
    opacity: 0.7;
}

.header-user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    min-width: 180px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 63, 127, 0.15);
    padding: 8px 0;
    z-index: 200;
}

.header-user-dropdown[hidden] {
    display: none !important;
}

.header-dropdown-item {
    display: block;
    padding: 10px 16px;
    color: #003f7f;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s;
}

.header-dropdown-item:hover {
    background: #e8f4fd;
}

.header-dropdown-item--btn {
    width: 100%;
    text-align: left;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.header-dropdown-item--logout:hover {
    color: #e84c4c !important;
    background: rgba(232, 76, 76, 0.15) !important;
}

.header-dropdown-form {
    margin: 0;
}

.header-user {
    font-size: 0.9rem;
    color: #003f7f;
    font-weight: 600;
}

body.dark-mode .header-user-trigger {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

body.dark-mode .header-user-dropdown {
    background: var(--bg-secondary, #1e2a3a);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .header-dropdown-item {
    color: var(--text-secondary);
}

body.dark-mode .header-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.header-link {
    display: inline-block;
    padding: 10px 20px;
    color: #003f7f;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}

.header-link:hover {
    background: #e8f4fd;
    color: #007BFF;
}

.header-link.active {
    background: #003f7f;
    color: white;
}

.header-logout-form {
    display: inline;
    margin: 0;
}

.header-logout-form .header-link {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.header-logout-form .header-link:hover {
    color: #e84c4c !important;
    background: rgba(232, 76, 76, 0.15);
}

.site-main {
    flex: 1;
    padding: 24px 16px 40px;
    padding-top: calc(24px + 82px);  /* space for fixed header */
    padding-bottom: calc(40px + 82px); /* space for fixed footer - same as header */
}

/* Link icona Casa (Back to Home) - stesso colore di h1 (#003f7f) */
.home-link {
  display: inline-flex;
  color: #003f7f;
  text-decoration: none;
  transition: transform 0.2s, opacity 0.2s, color 0.2s;
}

.home-link svg {
  fill: currentColor;
}

.home-link:hover {
  color: #0056b3;
  opacity: 0.9;
  transform: scale(1.1);
}

/* Tablet */
@media (max-width: 768px) {
    .header-inner {
        padding: 18px 22px;
    }
    .header-menu-btn {
        display: flex;
        margin-left: auto;
    }
    .header-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(300px, 85vw);
        height: 100vh;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 90px 24px 32px;
        background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,252,255,0.98) 100%);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: -8px 0 32px rgba(0, 63, 127, 0.08);
        border-radius: 20px 0 0 20px;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: 99;
    }
    .header-nav.is-open {
        transform: translateX(0);
    }
    .header-nav .header-link {
        padding: 16px 20px;
        margin: 4px 0;
        border-radius: 12px;
        font-size: 1rem;
        transition: background 0.2s;
    }
    .header-nav .header-link:hover {
        background: rgba(0, 63, 127, 0.08);
    }
    .header-nav .header-user-wrap {
        padding: 16px 0;
        border-top: 1px solid rgba(0, 63, 127, 0.08);
        margin-top: 8px;
    }
    .header-nav .theme-toggle {
        position: absolute;
        top: 24px;
        right: 24px;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: rgba(0, 63, 127, 0.08);
        font-size: 1.2rem;
    }
    body.dark-mode .header-nav {
        background: linear-gradient(180deg, rgba(20,30,48,0.98) 0%, rgba(15,22,35,0.98) 100%);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.25);
    }
    body.dark-mode .header-nav .header-link:hover {
        background: rgba(255, 255, 255, 0.08);
    }
    body.dark-mode .header-nav .header-user-wrap {
        border-top-color: rgba(255, 255, 255, 0.1);
    }
    body.nav-open {
        overflow: hidden;
    }
    body.nav-open::before {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(0, 63, 127, 0.15);
        backdrop-filter: blur(2px);
        z-index: 98;
        cursor: pointer;
        animation: fadeIn 0.3s ease;
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    .site-main {
        padding: 20px 16px 36px;
        padding-top: calc(20px + 78px);
        padding-bottom: calc(36px + 78px);
    }
}

/* Mobile */
@media (max-width: 600px) {
    .header-inner {
        padding: 14px 16px;
    }
    .header-logo-icon {
        width: 34px;
        height: 34px;
    }
    .header-logo-text {
        font-size: 1.15rem;
    }
    .header-nav {
        gap: 6px;
    }
    .header-link {
        padding: 10px 14px;
        font-size: 0.9rem;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .site-main {
        padding: 12px 12px 28px;
        padding-top: calc(12px + 70px);
        padding-bottom: calc(28px + 70px);
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .header-inner {
        padding: 12px 14px;
    }
    .header-logo-text {
        font-size: 1.05rem;
    }
    .header-link {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    .site-main {
        padding-top: calc(12px + 66px);
        padding-bottom: calc(28px + 66px);
    }
}