:root {
    --ink: #1f2a37;
    --muted: #5b6470;
    --brand: #0f766e;
    --brand-deep: #134e4a;
    --line: rgba(15, 118, 110, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
    color: var(--ink);
    background:
        linear-gradient(rgba(240, 246, 255, 0.9), rgba(248, 251, 255, 0.94)),
        url("/static/Images/SSP_bg_home.png") center top / cover no-repeat fixed;
}

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

.page {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid rgba(15, 118, 110, 0.1);
}

.nav-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand img {
    width: 62px;
    height: 62px;
    object-fit: contain;
    border-radius: 16px;
    background: #fff;
    padding: 6px;
    box-shadow: 0 12px 28px rgba(15, 118, 110, 0.14);
}

.brand-copy h1 {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
}

.brand-copy p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.98rem;
    color: var(--muted);
}

.nav-toggle {
    display: none;
    width: 52px;
    height: 52px;
    border: 1px solid rgba(15, 118, 110, 0.16);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.84);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(15, 118, 110, 0.08);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: var(--brand-deep);
    transition: transform 0.24s ease, opacity 0.24s ease;
}

.auth-nav.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.auth-nav.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.auth-nav.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links > a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links .nav-auth-link {
    color: var(--brand-deep);
}

.auth-nav .nav-links .nav-auth-link,
.auth-nav .nav-links .nav-logout-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 132px;
    min-height: 56px;
    padding: 12px 22px;
    border-radius: 999px;
    border: 1px solid rgba(15, 118, 110, 0.14) !important;
    background: rgba(255, 255, 255, 0.96) !important;
    font-weight: 800 !important;
    letter-spacing: 0.01em !important;
    box-shadow: 0 14px 30px rgba(15, 118, 110, 0.08) !important;
    transition:
        transform 0.22s ease,
        box-shadow 0.22s ease,
        background 0.22s ease,
        border-color 0.22s ease,
        color 0.22s ease;
}

.auth-nav .nav-links .nav-profile-link {
    justify-content: flex-start;
    gap: 10px;
    min-width: 154px;
    padding-left: 14px;
    padding-right: 20px;
}

.nav-profile-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    border-radius: 50% !important;
    flex: 0 0 28px !important;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.18), rgba(20, 184, 166, 0.1));
    color: #0f766e;
    font-size: 0.78rem;
    font-weight: 800;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.nav-profile-avatar img {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    max-width: 28px !important;
    max-height: 28px !important;
    object-fit: cover !important;
    border-radius: 50% !important;
    display: block !important;
}

.nav-profile-text {
    position: relative;
    z-index: 1;
}

.auth-nav .nav-auth-group {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-left: 16px;
    padding: 8px 0 8px 22px;
    border-left: 1px solid rgba(15, 118, 110, 0.1);
    position: relative;
}

.auth-nav .nav-auth-group::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 1px;
    height: calc(100% - 10px);
    background: linear-gradient(180deg, transparent, rgba(15, 118, 110, 0.2), transparent);
    transform: translateY(-50%);
}

.auth-nav .nav-logout-form {
    margin: 0;
}

.auth-nav .nav-links .nav-logout-btn {
    cursor: pointer;
    font: inherit;
}

.auth-nav .nav-links .nav-auth-link-primary {
    position: relative;
    border-color: rgba(20, 184, 166, 0.18) !important;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 34%),
        linear-gradient(135deg, #f6fffd 0%, #ebfffb 52%, #dcfaf4 100%) !important;
    color: #0f766e !important;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.96),
        0 14px 28px rgba(20, 184, 166, 0.08) !important;
}

.auth-nav .nav-links .nav-auth-link-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent 48%);
    pointer-events: none;
}

.auth-nav .nav-links .nav-auth-link-ghost,
.auth-nav .nav-links .nav-logout-btn {
    border-color: rgba(148, 163, 184, 0.22);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.94));
    color: #1f2a37;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        0 12px 26px rgba(148, 163, 184, 0.1);
}

.auth-nav .nav-links .nav-logout-btn {
    min-width: 138px;
}

.nav-links > a:hover,
.auth-nav .nav-links .nav-auth-link-primary:hover,
.auth-nav .nav-links .nav-auth-link-ghost:hover,
.auth-nav .nav-links .nav-logout-btn:hover {
    transform: translateY(-2px);
}

.auth-nav .nav-links .nav-auth-link-primary:hover {
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.96), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #f2fffc 50%, #e5fbf7 100%) !important;
    border-color: rgba(20, 184, 166, 0.24) !important;
    color: #0b6b64 !important;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.98),
        0 18px 34px rgba(20, 184, 166, 0.1) !important;
}

.auth-nav .nav-links .nav-auth-link-primary:hover .nav-profile-avatar {
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.22), rgba(20, 184, 166, 0.14));
}

.auth-nav .nav-links .nav-auth-link-ghost:hover,
.auth-nav .nav-links .nav-logout-btn:hover {
    background:
        linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(59, 130, 246, 0.04)),
        rgba(255, 255, 255, 0.98) !important;
    border-color: rgba(20, 184, 166, 0.24) !important;
    color: #0f766e !important;
    box-shadow: 0 16px 28px rgba(148, 163, 184, 0.14) !important;
}

.auth-shell {
    padding: 36px 0 48px;
}

.auth-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
    gap: 26px;
    align-items: start;
}

.auth-panel,
.auth-form-panel,
.profile-panel,
.profile-card {
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.88);
    box-shadow: 0 24px 70px rgba(31, 42, 55, 0.1);
}

.auth-panel,
.profile-panel {
    padding: 34px;
    background: linear-gradient(145deg, rgba(20, 54, 51, 0.94), rgba(20, 79, 73, 0.92));
    color: rgba(255, 255, 255, 0.92);
}

.auth-panel h2,
.profile-panel h2 {
    margin: 0 0 16px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.02;
}

.auth-panel p,
.profile-panel p {
    margin: 0;
    line-height: 1.8;
}

.auth-points,
.profile-points,
.profile-grid {
    display: grid;
    gap: 16px;
    margin-top: 26px;
}

.auth-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.auth-point,
.profile-point,
.profile-card {
    padding: 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.auth-point strong,
.profile-point strong,
.profile-card strong {
    display: block;
    margin-bottom: 8px;
}

.auth-form-panel {
    padding: 32px;
    background: rgba(255, 255, 255, 0.93);
}

.auth-form-panel h3 {
    margin: 0 0 10px;
    font-size: 1.8rem;
    color: var(--brand-deep);
}

.auth-form-panel p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.auth-messages {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
}

.auth-message {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 0.95rem;
}

.auth-message.success {
    background: rgba(15, 118, 110, 0.12);
    color: var(--brand-deep);
}

.auth-message.error {
    background: rgba(220, 38, 38, 0.1);
    color: #991b1b;
}

.auth-form {
    display: grid;
    gap: 18px;
    margin-top: 24px;
}

.auth-field {
    display: grid;
    gap: 8px;
}

.auth-field label {
    font-weight: 700;
    color: var(--brand-deep);
}

.auth-input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    color: var(--ink);
    font: inherit;
}

.auth-textarea {
    resize: vertical;
}

.auth-file-input {
    padding: 12px 14px;
}

.auth-input:focus {
    outline: 2px solid rgba(15, 118, 110, 0.18);
    border-color: rgba(15, 118, 110, 0.3);
}

.field-errors,
.form-errors {
    margin: 0;
    padding-left: 18px;
    color: #b91c1c;
    font-size: 0.92rem;
}

.auth-submit,
.profile-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    border: 0;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.auth-switch,
.profile-meta {
    margin-top: 20px;
    color: var(--muted);
    line-height: 1.7;
}

.auth-switch a,
.profile-meta a {
    color: var(--brand-deep);
    font-weight: 700;
}

.profile-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-card {
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
}

.profile-card span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.92rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.profile-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 24px;
}

.profile-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.9);
    color: var(--brand-deep);
    font-weight: 700;
}

.content-section {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    margin-top: 26px;
}

.content-panel {
    padding: 30px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.93);
    border: 1px solid rgba(255, 255, 255, 0.88);
    box-shadow: 0 24px 70px rgba(31, 42, 55, 0.1);
}

.content-head h3 {
    margin: 0 0 10px;
    font-size: 1.6rem;
    color: var(--brand-deep);
}

.content-head p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.content-list {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

.content-card {
    padding: 22px;
    border-radius: 22px;
    background: rgba(246, 250, 255, 0.95);
    border: 1px solid rgba(15, 118, 110, 0.12);
}

.content-card strong {
    display: block;
    margin-bottom: 10px;
    color: var(--brand-deep);
}

.content-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.content-meta {
    display: inline-block;
    margin-bottom: 10px;
    color: #8a5a00;
    font-size: 0.83rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.content-note {
    margin-top: 14px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.85);
    color: var(--muted);
    line-height: 1.75;
}

.material-link {
    margin-top: 16px;
}

.empty-card {
    background: rgba(250, 251, 255, 0.9);
}

.admin-section {
    margin-bottom: 40px;
}

.admin-form {
    margin-top: 22px;
}

@media (max-width: 920px) {
    .auth-grid,
    .profile-grid,
    .content-section {
        grid-template-columns: 1fr;
    }

    .auth-points {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page,
    .nav-inner {
        width: min(100% - 20px, 1180px);
    }

    .auth-panel,
    .auth-form-panel,
    .profile-panel {
        padding: 22px;
        border-radius: 24px;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .auth-nav .nav-inner {
        flex-wrap: wrap;
        align-items: center;
    }

    .auth-nav .brand {
        min-width: 0;
    }

    .auth-nav .brand-copy h1 {
        overflow-wrap: anywhere;
    }

    .auth-nav .nav-links {
        display: none;
        width: 100%;
        padding: 12px 0 4px;
        flex-direction: column;
        gap: 0;
    }

    .auth-nav.nav-open .nav-links {
        display: flex;
    }

    .auth-nav .nav-links > a {
        width: 100%;
        padding: 14px 16px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.72);
        margin-top: 8px;
    }

    .auth-nav .nav-auth-group {
        margin-left: 0;
        padding-left: 0;
        border-left: 0;
        width: 100%;
        margin-top: 8px;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .auth-nav .nav-auth-group::before {
        display: none;
    }

    .auth-nav .nav-links .nav-auth-link,
    .auth-nav .nav-links .nav-logout-btn {
        width: 100%;
        min-width: 0;
    }
}