:root {
    color-scheme: light;
    --page: #f4f6fb;
    --surface: #fff;
    --soft: #f8f9fc;
    --text: #19243a;
    --muted: #7e899e;
    --border: #e7eaf2;
    --accent: #6869e8;
    --accent-dark: #5052cf;
    --accent-soft: #eeeeff;
    --green: #207e65;
    --green-soft: #e5f5ef;
    --orange: #b66e1b;
    --red: #c34d5d;
    --shadow: 0 18px 50px rgba(31, 45, 78, .07)
}

:root[data-theme=dark] {
    color-scheme: dark;
    --page: #101520;
    --surface: #19202d;
    --soft: #202838;
    --text: #eef1fa;
    --muted: #a1abbe;
    --border: #303b4f;
    --accent: #a3a4ff;
    --accent-dark: #c0c1ff;
    --accent-soft: #2b2d4b;
    --green: #7bd5b6;
    --green-soft: #203d36;
    --orange: #f0bb72;
    --red: #ff9ba5;
    --shadow: 0 18px 50px rgba(0, 0, 0, .2)
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--page);
    color: var(--text);
    font: 15px/1.5 "DM Sans", sans-serif;
    transition: background .2s, color .2s
}

button,
input,
select {
    font: inherit
}

button {
    cursor: pointer
}

.shell {
    width: min(1120px, calc(100% - 40px));
    margin: auto
}

.is-hidden {
    display: none !important
}

.auth-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: radial-gradient(circle at 80% 15%, var(--accent-soft), transparent 32%), var(--page)
}

.auth-card {
    width: min(430px, 100%);
    padding: 42px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 26px;
    box-shadow: var(--shadow)
}

.auth-card h1 {
    font: 800 38px/1.04 Manrope, sans-serif;
    margin: 10px 0 14px;
    letter-spacing: -1.7px
}

.auth-intro {
    color: var(--muted);
    margin: 0 0 26px
}

.auth-note {
    color: var(--muted);
    font-size: 12px;
    margin: 22px 0 0;
    text-align: center
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font: 800 17px Manrope, sans-serif;
    letter-spacing: -.5px
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 29px;
    height: 29px;
    border-radius: 9px;
    background: var(--accent);
    color: #fff;
    font-size: 16px
}

.topbar {
    min-height: 78px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between
}

.top-actions,
.form-actions,
.filters,
.year-controls {
    display: flex;
    align-items: center;
    gap: 10px
}

.role-chip,
.count-badge {
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em
}

.button {
    border: 0;
    border-radius: 10px;
    padding: 11px 16px;
    font-weight: 700;
    transition: .18s
}

.button.primary {
    background: var(--accent);
    color: white
}

.button.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px)
}

.button.ghost,
.theme-button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    padding: 9px 13px
}

.button.wide {
    width: 100%;
    margin-top: 20px
}

.theme-button {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 13px
}

.hero {
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 42px 8px 28px
}

.eyebrow {
    color: var(--accent);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .17em;
    margin: 0 0 10px
}

.hero h1 {
    font: 800 clamp(38px, 6vw, 68px)/.98 Manrope, sans-serif;
    letter-spacing: -3.5px;
    margin: 0 0 18px
}

.welcome-text {
    color: var(--muted);
    margin: 0;
    text-transform: capitalize
}

.hero-orbit {
    width: 190px;
    height: 190px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: grid;
    place-items: center;
    position: relative;
    color: var(--accent);
    font-size: 37px;
    margin-right: 8%
}

.hero-orbit:before,
.hero-orbit:after {
    content: "";
    position: absolute;
    border: 1px solid var(--border);
    border-radius: 50%
}

.hero-orbit:before {
    inset: 22px
}

.hero-orbit:after {
    inset: -17px;
    border-style: dashed
}

.hero-orbit i {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    top: 7px;
    right: 42px
}

.app-message {
    min-height: 22px;
    color: var(--red);
    font-size: 13px
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 26px
}

.stat-card {
    padding: 21px 23px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 15px;
    box-shadow: var(--shadow)
}

.stat-card span,
.stat-card small {
    display: block;
    color: var(--muted)
}

.stat-card strong {
    display: block;
    font: 800 42px Manrope, sans-serif;
    letter-spacing: -2px;
    margin: 5px 0
}

.accent-card {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

.accent-card span,
.accent-card small {
    color: #e7e7ff
}

.content-grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 20px
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow)
}

.form-panel {
    padding: 25px
}

.list-panel {
    padding: 25px;
    min-width: 0
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 23px
}

.panel-heading h2,
.calendar-toolbar h2 {
    margin: 0;
    font: 800 23px Manrope, sans-serif;
    letter-spacing: -1px
}

.panel-glyph {
    font-size: 28px;
    color: var(--accent)
}

label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    margin: 16px 0 7px
}

label b {
    color: var(--accent)
}

input,
select {
    width: 100%;
    border: 1px solid var(--border);
    background: var(--soft);
    color: var(--text);
    border-radius: 9px;
    padding: 11px 12px;
    outline: none
}

input:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft)
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px
}

.form-actions {
    margin-top: 20px
}

.form-message {
    color: var(--red);
    font-size: 12px;
    min-height: 18px;
    margin: 12px 0 0
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    margin: 0
}

.search-box span {
    font-size: 23px;
    color: var(--muted)
}

.filters {
    margin-bottom: 17px
}

.filters select {
    width: auto
}

.exam-list {
    display: grid;
    gap: 10px;
    max-height: 465px;
    overflow: auto;
    padding-right: 3px
}

.exam-item {
    display: grid;
    grid-template-columns: 5px 1fr auto;
    gap: 13px;
    align-items: center;
    padding: 13px 10px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--soft)
}

.exam-item.done, .exam-item.expired {
    opacity: .40
}

.exam-bar {
    height: 100%;
    border-radius: 4px;
    background: var(--accent)
}

.exam-item.priority-high .exam-bar {
    background: var(--red)
}

.exam-item.priority-low .exam-bar {
    background: var(--green)
}

.exam-title {
    font-weight: 700
}

.exam-item.done .exam-title {
    text-decoration: line-through
}

.exam-item.expired .exam-title {
    text-decoration: line-through
}

.exam-meta {
    display: flex;
    gap: 9px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 12px
}

.exam-date {
    color: var(--accent);
    font-weight: 700
}

.exam-actions {
    display: flex;
    gap: 4px
}

.icon-button {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    width: 30px;
    height: 30px;
    border-radius: 8px
}

.icon-button:hover {
    background: var(--accent-soft);
    color: var(--accent)
}

.empty-state {
    padding: 38px 10px;
    color: var(--muted);
    text-align: center
}

.calendar-panel {
    margin: 20px 0;
    padding: 25px
}

.calendar-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px
}

.annual-calendar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px
}

.month {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px
}

.month-name {
    font-weight: 800;
    font-size: 13px;
    margin-bottom: 9px
}

.weekdays,
.month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
    text-align: center
}

.weekdays {
    color: var(--muted);
    font-size: 9px;
    margin-bottom: 4px
}

.day {
    min-height: 24px;
    border-radius: 5px;
    font-size: 11px;
    padding-top: 3px
}

.day.today {
    outline: 1px solid var(--accent);
    color: var(--accent);
    font-weight: 700
}

.day.has-exam {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 700
}

.day.done-exam {
    background: var(--green-soft);
    color: var(--green)
}

.footer {
    text-align: center;
    color: var(--muted);
    font-size: 12px;
    padding: 6px 0 38px
}

@media(max-width:800px) {
    .hero-orbit {
        display: none
    }

    .content-grid {
        grid-template-columns: 1fr
    }

    .annual-calendar {
        grid-template-columns: repeat(3, 1fr)
    }
}

@media(max-width:560px) {
    .shell {
        width: min(100% - 24px, 1120px)
    }

    .topbar {
        min-height: 68px
    }

    .top-actions {
        gap: 5px
    }

    .theme-button span:last-child,
    .role-chip {
        display: none
    }

    .hero {
        padding: 36px 0 26px
    }

    .hero h1 {
        letter-spacing: -2.3px
    }

    .stats-grid {
        gap: 7px
    }

    .stat-card {
        padding: 14px 10px
    }

    .stat-card strong {
        font-size: 31px
    }

    .stat-card small {
        font-size: 11px
    }

    .annual-calendar {
    grid-template-columns: 1fr;
  }

    .calendar-panel,
    .list-panel,
    .form-panel {
        padding: 18px
    }

    .form-row {
        grid-template-columns: 1fr
    }

    .exam-item {
        grid-template-columns: 4px 1fr
    }

    .exam-actions {
        grid-column: 2
    }

    .auth-card {
        padding: 30px 24px
    }
}