@font-face {
    font-family: "MaisonNeue-Bold";
    src: url("../fonts/MaisonNeue-Bold.ttf") format("truetype");
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: "MaisonNeue-BoldItalic";
    src: url("../fonts/MaisonNeue-BoldItalic.ttf") format("truetype");
    font-weight: 700;
    font-style: italic;
}

@font-face {
    font-family: "MaisonNeue-Medium";
    src: url("../fonts/MaisonNeue-Medium.ttf") format("truetype");
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: "GT-Pressura-Bold";
    src: url("../fonts/GT-Pressura-Bold.ttf") format("truetype");
    font-weight: 700;
    font-style: normal;
}

:root {
    --bg-0: #f6f4ef;
    --bg-1: #ebe4d7;
    --ink-900: #1f1e1a;
    --ink-700: #514e45;
    --ink-500: #747062;
    --line: #d8cebc;
    --surface: #fcfaf6;
    --surface-strong: #fffdf9;
    --accent: #7f4f2a;
    --accent-hover: #603918;
    --accent-soft: #e8d9c5;
    --danger: #a63131;
    --success: #1f7d4d;
    --warning: #a16114;
    --info: #2b6b85;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --shadow-sm: 0 2px 10px rgba(45, 39, 24, 0.08);
    --shadow-md: 0 12px 34px rgba(45, 39, 24, 0.14);

    --space-1: 0.375rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.75rem;
    --space-7: 2.25rem;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    color: var(--ink-900);
    font-family: "MaisonNeue-Medium", "Avenir Next", "Segoe UI", sans-serif;
    background:
        radial-gradient(1000px 560px at 95% -20%, rgba(127, 79, 42, 0.12), transparent),
        radial-gradient(860px 460px at 0% 100%, rgba(127, 79, 42, 0.12), transparent),
        linear-gradient(160deg, var(--bg-0), var(--bg-1));
}

h1,
h2,
h3 {
    margin: 0;
    letter-spacing: 0.02em;
    color: var(--ink-900);
}

h1 {
    font-family: "GT-Pressura-Bold", "Avenir Next", sans-serif;
    font-size: clamp(1.5rem, 2.8vw, 2rem);
    text-transform: uppercase;
}

h2 {
    font-family: "GT-Pressura-Bold", "Avenir Next", sans-serif;
    font-size: clamp(1.2rem, 2.2vw, 1.5rem);
}

h3 {
    font-family: "GT-Pressura-Bold", "Avenir Next", sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
}

p {
    margin: 0;
    line-height: 1.55;
}

.muted {
    color: var(--ink-700);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    background: rgba(252, 250, 246, 0.9);
    border-bottom: 1px solid rgba(127, 79, 42, 0.2);
}

.site-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--ink-900);
    text-decoration: none;
}

.logo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: contain;
    object-position: center;
    box-sizing: border-box;
    padding: 0.2rem;
    box-shadow: var(--shadow-sm);
    filter: brightness(0) saturate(100%);
    transition: transform 160ms ease;
}

.brand-link:hover .logo {
    transform: scale(1.03);
}

.brand-title {
    font-family: "GT-Pressura-Bold", "Avenir Next", sans-serif;
    text-transform: uppercase;
    font-size: 0.92rem;
    letter-spacing: 0.08em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--ink-700);
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.55rem 0.8rem;
    border-radius: 999px;
    transition: all 160ms ease;
}

.nav-link:hover {
    color: var(--ink-900);
    background: var(--accent-soft);
}

.nav-link.is-active {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 8px 16px rgba(96, 57, 24, 0.24);
}

.content-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-6);
}

.content {
    display: block;
}

.panel {
    border: 1px solid rgba(127, 79, 42, 0.18);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    background: linear-gradient(180deg, var(--surface-strong), var(--surface));
    box-shadow: var(--shadow-sm);
}

.flash-messages {
    margin: 0 0 var(--space-4);
    padding: 0;
    list-style: none;
    display: grid;
    gap: var(--space-2);
}

.flash-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-radius: var(--radius-sm);
    padding: 0.7rem 0.85rem;
    border: 1px solid transparent;
    background: #fff;
}

.flash-dot {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 999px;
    flex-shrink: 0;
}

.flash-text {
    color: var(--ink-900);
}

.flash-success {
    border-color: rgba(31, 125, 77, 0.25);
    background: rgba(31, 125, 77, 0.07);
}

.flash-success .flash-dot {
    background: var(--success);
}

.flash-warning {
    border-color: rgba(161, 97, 20, 0.3);
    background: rgba(161, 97, 20, 0.08);
}

.flash-warning .flash-dot {
    background: var(--warning);
}

.flash-error {
    border-color: rgba(166, 49, 49, 0.3);
    background: rgba(166, 49, 49, 0.08);
}

.flash-error .flash-dot {
    background: var(--danger);
}

.flash-info {
    border-color: rgba(43, 107, 133, 0.3);
    background: rgba(43, 107, 133, 0.08);
}

.flash-info .flash-dot {
    background: var(--info);
}

label {
    display: block;
    margin: 0;
    font-size: 0.84rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--ink-700);
}

input,
select,
textarea {
    width: 100%;
    padding: 0.72rem 0.82rem;
    margin-top: var(--space-1);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-size: 0.98rem;
    font-family: "MaisonNeue-Medium", "Avenir Next", sans-serif;
    color: var(--ink-900);
    background: #fff;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea {
    resize: vertical;
    min-height: 140px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(127, 79, 42, 0.16);
}

.stack-form {
    display: grid;
    gap: var(--space-4);
}

.form-field {
    display: grid;
    gap: var(--space-2);
}

.inline-form {
    display: inline-flex;
    gap: var(--space-2);
    align-items: center;
}

.checkbox-row {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-transform: none;
    color: var(--ink-900);
}

.checkbox-row input[type="checkbox"] {
    width: auto;
    margin-top: 0;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.send-form {
    margin-top: var(--space-5);
}

.btn,
button,
input[type="submit"] {
    border: none;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-family: "GT-Pressura-Bold", "Avenir Next", sans-serif;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    padding: 0.72rem 1.1rem;
    transition: transform 140ms ease, box-shadow 180ms ease, background 180ms ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover,
button:hover,
input[type="submit"]:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(96, 57, 24, 0.24);
}

.btn-secondary {
    background: #355a6e;
}

.btn-secondary:hover {
    background: #274555;
}

.btn-ghost {
    background: transparent;
    color: var(--ink-700);
    border: 1px solid var(--line);
}

.btn-ghost:hover {
    color: var(--ink-900);
    border-color: var(--accent);
    box-shadow: none;
}

.inline-link {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.inline-link:hover {
    color: var(--accent-hover);
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.compact-table,
.email-log-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
}

.compact-table th,
.compact-table td,
.email-log-table th,
.email-log-table td {
    padding: 0.72rem 0.8rem;
    border-bottom: 1px solid #efe6d8;
    text-align: left;
    vertical-align: top;
}

.compact-table th,
.email-log-table th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-700);
    background: #fbf7f1;
}

.log-row {
    cursor: pointer;
}

.log-row:hover {
    background: #faf4e7;
}

.details {
    display: none;
}

.details.open {
    display: table-row;
}

.details-grid {
    display: grid;
    gap: var(--space-2);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.status-success,
.status-test-success,
.status-resent {
    background: rgba(31, 125, 77, 0.12);
    color: var(--success);
    border-color: rgba(31, 125, 77, 0.32);
}

.status-generated {
    background: rgba(43, 107, 133, 0.12);
    color: var(--info);
    border-color: rgba(43, 107, 133, 0.32);
}

.status-failed,
.status-test-failed {
    background: rgba(166, 49, 49, 0.12);
    color: var(--danger);
    border-color: rgba(166, 49, 49, 0.32);
}

.generate-layout {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
}

.generate-main {
    display: grid;
    gap: var(--space-5);
}

.generate-side {
    display: grid;
    gap: var(--space-5);
    align-self: start;
}

.step-head {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    margin-bottom: var(--space-4);
}

.step-number {
    width: 1.95rem;
    height: 1.95rem;
    flex-shrink: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--accent);
    font-family: "GT-Pressura-Bold", "Avenir Next", sans-serif;
}

.validation-box {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: var(--space-4);
    background: #fff;
}

.validation-box.has-issues {
    border-color: rgba(166, 49, 49, 0.28);
    background: rgba(166, 49, 49, 0.03);
}

.validation-box.is-clean {
    border-color: rgba(31, 125, 77, 0.28);
    background: rgba(31, 125, 77, 0.03);
}

.template-preview-image {
    width: 100%;
    max-width: 460px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}

.sticky-panel {
    position: sticky;
    top: 92px;
}

.iframe-container {
    margin-top: var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    overflow: hidden;
    height: 370px;
    background: #fff;
}

.certificate-iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.preview-list {
    list-style: none;
    padding: 0;
    margin: var(--space-2) 0 0;
    display: grid;
    gap: var(--space-2);
}

.preview-item {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    border-bottom: 1px dashed var(--line);
    padding-bottom: var(--space-2);
}

.test-recipient-wrap {
    display: none;
}

.setup-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
}

.add-course-form {
    margin-top: var(--space-4);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr auto;
}

.welcome-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-5);
    align-items: start;
}

.hero-panel {
    min-height: 380px;
    display: grid;
    align-content: center;
    gap: var(--space-4);
}

.welcome-image {
    width: clamp(120px, 20vw, 190px);
    display: block;
    margin-inline: auto;
}

.login-panel {
    display: grid;
    gap: var(--space-4);
}

.auth-links {
    line-height: 1.6;
}

.form-wrapper {
    max-width: 640px;
    margin: 0 auto;
    border: 1px solid rgba(127, 79, 42, 0.18);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    background: var(--surface-strong);
}

.toolbar-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.filter-form {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    margin-bottom: var(--space-4);
}

.filter-buttons {
    display: flex;
    align-items: flex-end;
    gap: var(--space-2);
}

.log-maintenance {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
    margin-bottom: var(--space-4);
}

.cleanup-form label {
    margin: 0;
    text-transform: none;
    font-size: 0.86rem;
}

.cleanup-form input[type="number"] {
    width: 92px;
    margin-top: 0;
}

.verify-message {
    text-align: center;
    display: grid;
    gap: var(--space-3);
    justify-items: center;
}

.delete-user-form {
    margin-left: var(--space-2);
}

.reset-password {
    margin-right: var(--space-2);
}

@media (max-width: 1100px) {
    .generate-layout,
    .setup-grid,
    .welcome-layout {
        grid-template-columns: 1fr;
    }

    .sticky-panel {
        position: static;
    }

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

@media (max-width: 720px) {
    .site-nav {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-4);
    }

    .content-shell {
        padding: var(--space-4);
    }

    .panel {
        padding: var(--space-4);
    }

    .button-row,
    .inline-form,
    .add-course-form {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .details-grid {
        grid-template-columns: 1fr;
    }

    .filter-form {
        grid-template-columns: 1fr;
    }

    .toolbar-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .log-maintenance {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}