* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 0%, rgba(94,234,212,.18), transparent 28%),
        linear-gradient(180deg, #e4f2f6 0%, #dbeaf0 100%);
    color: #253449;
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}
a { color: inherit; }
.op-shell { width: min(1180px, calc(100% - 28px)); margin: 0 auto; padding: 22px 0 36px; }
.op-login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.op-login-card { width: min(960px, 100%); display: grid; grid-template-columns: 1.1fr .9fr; overflow: hidden; border-radius: 28px; background: #f8fcff; box-shadow: 0 30px 80px rgba(15,23,42,.18); }
.op-login-visual { padding: 40px; color: #fff; background: linear-gradient(140deg, #0f766e, #22c1d6); }
.op-login-form { padding: 40px; display: grid; align-content: center; gap: 16px; }
.op-logo { width: 74px; height: 74px; object-fit: contain; border-radius: 0; background: transparent; padding: 0; }
.op-title { margin: 18px 0 8px; font-size: clamp(28px, 3.4vw, 42px); line-height: 1.12; font-weight: 600; letter-spacing: 0; }
.op-muted { color: #64748b; font-size: 14px; font-weight: 400; }
.op-login-visual .op-muted { color: rgba(255,255,255,.8); }
.op-input { width: 100%; border: 1px solid #cfe1ea; border-radius: 16px; padding: 14px 15px; background: #f8fdff; outline: none; font-size: 15px; }
.op-input:focus { border-color: #22c1d6; box-shadow: 0 0 0 4px rgba(34,193,214,.15); }
.op-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; border: 0; border-radius: 16px; padding: 11px 17px; color: #fff; background: linear-gradient(135deg, #0f766e, #22c1d6); font-weight: 600; text-decoration: none; cursor: pointer; }
.op-btn.light { color: #0f766e; background: #e6fbff; border: 1px solid #bcecf6; }
.op-btn.warn { color: #92400e; background: #fef3c7; border: 1px solid #fde68a; }
.op-btn.danger { color: #dc2626; background: #fff1f2; border: 1px solid #fecdd3; }
.op-topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.op-brand { display: flex; align-items: center; gap: 12px; }
.op-brand strong { display: block; font-size: 18px; font-weight: 600; }
.op-card {
    border: 1px solid rgba(45,212,191,.4);
    border-radius: 22px;
    background:
        radial-gradient(circle at 8% 8%, rgba(45,212,191,.18), transparent 32%),
        linear-gradient(145deg, rgba(236,254,255,.82), rgba(226,246,252,.72));
    padding: 20px;
    box-shadow: 0 18px 45px rgba(14,116,144,.1), inset 0 1px 0 rgba(255,255,255,.65);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.op-card:hover {
    transform: translateY(-3px);
    border-color: rgba(20,184,166,.62);
    box-shadow: 0 24px 58px rgba(14,116,144,.16), inset 0 1px 0 rgba(255,255,255,.72);
    background:
        radial-gradient(circle at 8% 8%, rgba(20,184,166,.24), transparent 34%),
        linear-gradient(145deg, rgba(224,242,254,.9), rgba(204,251,241,.78));
}
.op-toast-backdrop {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 26px 16px;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(15,23,42,.18), rgba(15,23,42,0) 42%);
}
.op-toast {
    pointer-events: auto;
    width: min(640px, 100%);
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    border: 1px solid rgba(125,211,252,.72);
    border-radius: 22px;
    padding: 14px;
    color: #102a43;
    background:
        radial-gradient(circle at 8% 0%, rgba(45,212,191,.26), transparent 38%),
        linear-gradient(145deg, rgba(255,255,255,.96), rgba(224,242,254,.9));
    box-shadow: 0 26px 80px rgba(15,23,42,.22), inset 0 1px 0 rgba(255,255,255,.9);
    animation: opToastIn .28s ease-out both;
}
.op-toast.success { border-color: rgba(34,197,94,.42); }
.op-toast.danger { border-color: rgba(248,113,113,.58); }
.op-toast-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 18px;
    color: #0f766e;
    background: linear-gradient(145deg, rgba(204,251,241,.9), rgba(224,242,254,.95));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.95), 0 12px 24px rgba(14,116,144,.12);
}
.op-toast.danger .op-toast-icon {
    color: #dc2626;
    background: linear-gradient(145deg, #fff1f2, #fee2e2);
}
.op-toast-icon svg {
    width: 25px;
    height: 25px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.op-toast-body strong {
    display: block;
    color: #0f172a;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.2;
}
.op-toast-body p {
    margin: 5px 0 0;
    color: #52677b;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.45;
}
.op-toast-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border-radius: 999px;
    padding: 8px 14px;
    color: #087b83;
    background: #e6fbff;
    border: 1px solid #bcecf6;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}
@keyframes opToastIn {
    from { opacity: 0; transform: translateY(-16px) scale(.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.op-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 360px); gap: 18px; align-items: stretch; color: #fff; background: linear-gradient(135deg, #0f766e, #1fbfd2); }
.op-hero:hover { color: #fff; background: linear-gradient(135deg, #0f766e, #1fbfd2); border-color: rgba(45,212,191,.5); box-shadow: 0 22px 54px rgba(14,116,144,.16); }
.op-hero:hover > .op-card { color: #fff !important; background: rgba(255,255,255,.15) !important; border-color: rgba(255,255,255,.25) !important; }
.op-hero:hover > .op-card small { color: rgba(255,255,255,.75) !important; }
.op-hero h1 { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.16; font-weight: 600; letter-spacing: 0; }
.op-hero p { margin: 8px 0 0; color: rgba(255,255,255,.84); font-size: 15px; }
.op-hero:hover p { color: rgba(255,255,255,.84); }
.op-child-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.op-child-tabs a { display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border-radius: 999px; color: #075985; background: rgba(255,255,255,.78); text-decoration: none; font-weight: 600; }
.op-child-tabs a.active { color: #0f172a; background: #facc15; }
.op-notif-center {
    min-width: 0;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.24), 0 18px 38px rgba(8,47,73,.12);
    background:
        radial-gradient(circle at 92% 0%, rgba(94,234,212,.28), transparent 42%),
        linear-gradient(145deg, rgba(12,148,136,.72), rgba(34,193,214,.48)) !important;
    border-color: rgba(125, 245, 236, .42) !important;
    color: #fff;
}
.op-notif-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
}
.op-notif-head small {
    color: rgba(240,253,250,.9);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.op-notif-head strong {
    display: block;
    margin-top: 4px;
    font-size: 42px;
    line-height: 1;
    font-weight: 800;
}
.op-notif-readall .op-btn {
    min-height: 36px;
    padding: 8px 12px;
    border-radius: 999px;
    white-space: nowrap;
    color: #075985;
    background: linear-gradient(135deg, #fef9c3, #ccfbf1);
    border: 1px solid rgba(250,204,21,.62);
}
.op-notif-list {
    display: grid;
    gap: 8px;
    margin-top: 12px;
    max-height: 174px;
    overflow: auto;
    padding-right: 2px;
}
.op-notif-item {
    width: 100%;
    display: grid;
    grid-template-columns: 10px minmax(0, 1fr);
    gap: 9px;
    align-items: center;
    border: 1px solid rgba(125,245,236,.26);
    border-radius: 14px;
    padding: 10px;
    color: #fff;
    background: rgba(8,145,178,.28);
    text-align: left;
    cursor: pointer;
}
.op-notif-item.is-read {
    opacity: .78;
}
.op-notif-item:hover {
    border-color: rgba(204,251,241,.56);
    background: rgba(15,118,110,.36);
}
.op-notif-item > span {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: rgba(255,255,255,.55);
}
.op-notif-item.is-unread > span {
    background: #facc15;
    box-shadow: 0 0 0 5px rgba(250,204,21,.16);
}
.op-notif-item strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 800;
}
.op-notif-item small {
    display: block;
    margin-top: 2px;
    color: rgba(255,255,255,.74) !important;
    font-size: 11px;
    font-weight: 700;
}
.op-notif-empty {
    padding: 12px;
    border-radius: 14px;
    color: rgba(240,253,250,.94);
    background: rgba(8,145,178,.28);
    font-size: 13px;
}
.op-notif-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: 18px;
    background: rgba(15,23,42,.42);
}
.op-notif-modal[hidden] { display: none; }
.op-notif-modal-card {
    width: min(680px, 100%);
    max-height: min(78vh, 720px);
    overflow: auto;
    border: 1px solid rgba(125,211,252,.62);
    border-radius: 24px;
    padding: 20px;
    color: #102a43;
    background:
        radial-gradient(circle at 100% 0%, rgba(45,212,191,.22), transparent 35%),
        linear-gradient(145deg, rgba(255,255,255,.98), rgba(224,242,254,.93));
    box-shadow: 0 30px 90px rgba(15,23,42,.32), inset 0 1px 0 rgba(255,255,255,.9);
}
.op-notif-modal-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}
.op-notif-modal-top span,
.op-notif-modal-top button {
    border: 1px solid #bae6fd;
    border-radius: 999px;
    padding: 8px 12px;
    color: #087b83;
    background: #e6fbff;
    font-size: 13px;
    font-weight: 800;
}
.op-notif-modal-top button { cursor: pointer; }
.op-notif-modal-card h2 {
    margin: 16px 0 6px;
    color: #0f172a;
    font-size: 24px;
    line-height: 1.2;
}
.op-notif-modal-body {
    margin-top: 14px;
    color: #334155;
    font-size: 15px;
    line-height: 1.7;
    white-space: pre-line;
}
.op-grid { display: grid; gap: 16px; margin-top: 16px; }
.op-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.op-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.op-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.op-priority-row .op-card { border-color: rgba(34,193,214,.42); box-shadow: 0 20px 55px rgba(14,116,144,.1); }
.op-parent-info-row { margin-top: 16px; scroll-margin-top: 18px; }
.op-parent-message-card { min-height: 100%; }
.op-parent-feed {
    position: relative;
    max-height: none;
    overflow: visible;
    gap: 13px;
    padding: 4px 2px 4px 28px;
}
.op-parent-feed::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 11px;
    width: 2px;
    border-radius: 999px;
    background: linear-gradient(180deg, #22d3ee, rgba(45,212,191,.35), rgba(125,211,252,.12));
}
.op-feed-history-label {
    position: relative;
    z-index: 1;
    width: fit-content;
    margin: 3px 0 1px -10px;
    padding: 5px 10px;
    border: 1px solid rgba(14,165,233,.2);
    border-radius: 999px;
    color: #52677b;
    background: rgba(248,253,255,.96);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    box-shadow: 0 5px 12px rgba(14,116,144,.07);
}
.op-info-preview-item,
.op-wa-thread-card {
    position: relative;
    display: block;
    width: 100%;
    color: #102a43;
    text-align: left;
    cursor: pointer;
}
.op-info-preview-item::before,
.op-wa-thread-card::before {
    content: "";
    position: absolute;
    left: -25px;
    top: 23px;
    width: 12px;
    height: 12px;
    border: 3px solid rgba(236,254,255,.95);
    border-radius: 999px;
    background: #38bdf8;
    box-shadow: 0 0 0 5px rgba(34,211,238,.18), 0 10px 20px rgba(14,116,144,.12);
}
.op-info-preview-item.is-unread::before,
.op-wa-thread-card.is-unread::before {
    background: #f59e0b;
    box-shadow: 0 0 0 6px rgba(245,158,11,.18), 0 10px 20px rgba(146,64,14,.14);
}
.op-info-preview-item.is-unread,
.op-wa-thread-card.is-unread {
    border-color: rgba(250,204,21,.62);
    background:
        radial-gradient(circle at 100% 0%, rgba(250,204,21,.18), transparent 36%),
        linear-gradient(145deg, rgba(255,251,235,.9), rgba(224,242,254,.7));
}
.op-info-preview-item.is-read,
.op-wa-thread-card.is-read {
    border-color: rgba(125,211,252,.34);
}
.op-feed-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}
.op-feed-date {
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.op-feed-state {
    display: inline-flex;
    margin-top: 10px;
    border-radius: 999px;
    padding: 5px 9px;
    color: #087b83;
    background: rgba(204,251,241,.72);
    font-size: 12px;
    font-weight: 800;
}
.op-open-chat-btn {
    min-height: 36px;
    border-radius: 999px;
    padding: 8px 12px;
    white-space: nowrap;
}
.op-chat-empty {
    display: grid;
    gap: 12px;
    justify-items: center;
}
.op-notif-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    border: 1px solid rgba(204,251,241,.45);
    border-radius: 999px;
    color: #ecfeff;
    background: rgba(15,118,110,.26);
    font-size: 12px;
    font-weight: 850;
    text-decoration: none;
}
.op-notif-more:hover {
    background: rgba(15,118,110,.42);
}
.op-secondary-row .op-card { background: radial-gradient(circle at 8% 8%, rgba(125,211,252,.16), transparent 34%), linear-gradient(145deg, rgba(236,254,255,.82), rgba(226,246,252,.7)); }
.op-monitor-wrap { background: radial-gradient(circle at 8% 8%, rgba(45,212,191,.16), transparent 34%), linear-gradient(145deg, rgba(236,254,255,.9), rgba(224,242,254,.74)); }
.op-monitor-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.op-monitor-card {
    --tone: #0f766e;
    --tone-rgb: 15, 118, 110;
    overflow: hidden;
    border: 1px solid rgba(var(--tone-rgb), .18);
    border-radius: 22px;
    padding: 18px;
    background:
        radial-gradient(circle at 0% 0%, rgba(var(--tone-rgb), .13), transparent 34%),
        linear-gradient(145deg, rgba(236,254,255,.86), rgba(224,242,254,.72));
}
.op-monitor-card.tone-cyan { --tone: #0891b2; --tone-rgb: 8, 145, 178; }
.op-monitor-card.tone-navy { --tone: #0e7490; --tone-rgb: 14, 116, 144; }
.op-monitor-card.tone-mint { --tone: #0d9488; --tone-rgb: 13, 148, 136; }
.op-monitor-card.tone-gold { --tone: #0284c7; --tone-rgb: 2, 132, 199; }
.op-monitor-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.op-monitor-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; flex: 0 0 auto; border-radius: 18px; color: var(--tone); background: rgba(var(--tone-rgb), .13); box-shadow: inset 0 1px 0 rgba(255,255,255,.8); }
.op-monitor-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.op-monitor-head h3 { margin: 0; color: #1f2937; font-size: 18px; font-weight: 600; }
.op-monitor-head p { margin: 4px 0 0; color: #52677b; font-size: 13px; font-weight: 400; line-height: 1.45; }
.op-monitor-head em { display: block; margin-top: 4px; color: #64748b; font-size: 12px; font-style: normal; line-height: 1.4; }
.op-monitor-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.op-monitor-metric { min-height: 72px; padding: 12px; border: 1px solid rgba(var(--tone-rgb), .16); border-radius: 16px; background: linear-gradient(145deg, rgba(240,253,250,.76), rgba(224,242,254,.62)); }
.op-monitor-metric strong { display: block; color: #163247; font-size: 22px; line-height: 1; font-weight: 600; }
.op-monitor-metric span { display: block; margin-top: 10px; color: #60798b; font-size: 11px; font-weight: 500; text-transform: uppercase; }
.op-monitor-progress { margin-top: 12px; padding: 12px; border-radius: 16px; background: linear-gradient(145deg, rgba(240,253,250,.72), rgba(224,242,254,.58)); }
.op-monitor-progress div { display: flex; justify-content: space-between; gap: 10px; color: #183449; font-size: 13px; text-transform: uppercase; }
.op-monitor-progress div strong,
.op-monitor-progress div span { font-weight: 600; }
.op-monitor-progress i { display: block; height: 8px; margin: 10px 0; border-radius: 999px; background: linear-gradient(90deg, var(--tone), #5eead4); }
.op-monitor-progress p { margin: 3px 0 0; color: #60798b; font-size: 13px; font-weight: 500; }
.op-monitor-list { display: grid; gap: 8px; margin-top: 12px; }
.op-monitor-list div { padding: 11px 12px; border-radius: 14px; color: #24435a; background: linear-gradient(145deg, rgba(240,253,250,.78), rgba(224,242,254,.62)); font-size: 13px; font-weight: 600; }
.op-stat small, .op-section-title small { display: block; color: #64748b; font-size: 12px; font-weight: 500; text-transform: uppercase; }
.op-stat { display: flex; align-items: center; gap: 14px; min-height: 118px; }
.op-stat strong { display: block; margin-top: 6px; color: #0f766e; font-size: 30px; line-height: 1; font-weight: 600; }
.op-stat-icon, .op-title-icon, .op-mini-icon { display: inline-flex; align-items: center; justify-content: center; color: #0f766e; background: linear-gradient(145deg, rgba(204,251,241,.85), rgba(224,242,254,.88)); box-shadow: inset 0 1px 0 rgba(255,255,255,.86); }
.op-stat-icon { width: 50px; height: 50px; flex: 0 0 50px; border: 1px solid rgba(45,212,191,.35); border-radius: 18px; }
.op-title-icon { width: 42px; height: 42px; flex: 0 0 42px; border: 1px solid rgba(45,212,191,.3); border-radius: 15px; }
.op-mini-icon { width: 36px; height: 36px; flex: 0 0 36px; border: 1px solid rgba(45,212,191,.24); border-radius: 13px; }
.op-stat-icon svg, .op-title-icon svg, .op-mini-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.op-title-with-icon { display: flex; align-items: center; gap: 12px; min-width: 0; }
.op-section-title { display: flex; justify-content: space-between; gap: 12px; align-items: start; margin-bottom: 14px; }
.op-section-title h2 { margin: 2px 0 0; color: #1f2937; font-size: 21px; font-weight: 600; line-height: 1.22; }
.op-profile-card { min-height: 100%; }
.op-profile-head { display: flex; align-items: center; gap: 15px; margin-bottom: 14px; }
.op-student-photo { display: inline-flex; width: 86px; height: 86px; flex: 0 0 86px; overflow: hidden; border: 1px solid #d8edf3; border-radius: 24px; background: #edf8fb; box-shadow: 0 14px 28px rgba(15,23,42,.08), inset 0 1px 0 rgba(255,255,255,.8); }
.op-student-photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.op-profile-title { min-width: 0; flex: 1; }
.op-profile-title .op-section-title { margin-bottom: 0; }
.op-list { display: grid; gap: 10px; }
.op-item {
    border: 1px solid rgba(125,211,252,.38);
    border-radius: 16px;
    padding: 13px;
    background: linear-gradient(145deg, rgba(240,253,250,.82), rgba(224,242,254,.66));
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.op-item:hover {
    transform: translateY(-2px);
    border-color: rgba(45,212,191,.52);
    box-shadow: 0 14px 28px rgba(14,116,144,.1);
    background: linear-gradient(145deg, rgba(204,251,241,.78), rgba(224,242,254,.82));
}
.op-mini-metric { display: flex; align-items: center; gap: 11px; min-height: 86px; }
.op-item strong { display: block; font-size: 17px; font-weight: 600; line-height: 1.3; }
.op-item p { margin: 6px 0 0; color: #475569; font-size: 14px; line-height: 1.5; }
.op-meta { color: #64748b; font-size: 13px; font-weight: 400; }
.op-pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 600; background: #e0f2fe; color: #075985; }
.op-pill.success { color: #047857; background: #d1fae5; }
.op-pill.warn { color: #92400e; background: #fef3c7; }
.op-pill.danger { color: #dc2626; background: #fee2e2; }
.op-pill.info { color: #075985; background: #e0f2fe; }
.op-pill.blue { color: #1d4ed8; background: #dbeafe; }
.op-pill.done { color: #047857; background: #dcfce7; }
.op-pill.muted { color: #475569; background: #e5e7eb; }
.op-service-guide {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    margin: 0 0 16px;
    padding: 14px 16px;
    border: 1px solid rgba(34,193,214,.36);
    border-radius: 18px;
    background:
        radial-gradient(circle at 98% 0%, rgba(45,212,191,.2), transparent 34%),
        linear-gradient(145deg, rgba(240,253,250,.86), rgba(224,242,254,.72));
}
.op-service-guide-main strong {
    display: block;
    color: #0f172a;
    font-size: 16px;
    font-weight: 700;
}
.op-service-guide-main p {
    margin: 5px 0 0;
    color: #52677b;
    font-size: 14px;
    line-height: 1.45;
}
.op-service-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}
.op-service-step {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    border-radius: 999px;
    padding: 7px 11px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.op-service-step.info { color: #075985; background: #e0f2fe; border: 1px solid #bae6fd; }
.op-service-step.warn { color: #92400e; background: #fef3c7; border: 1px solid #fde68a; }
.op-service-step.success,
.op-service-step.done { color: #047857; background: #d1fae5; border: 1px solid #86efac; }
.op-service-notice {
    margin-top: 10px;
    padding: 11px 12px;
    border-radius: 14px;
    border: 1px solid #bae6fd;
    background: #f0f9ff;
}
.op-service-notice strong {
    display: block;
    color: #0f172a;
    font-size: 14px;
}
.op-service-notice span {
    display: block;
    margin-top: 4px;
    color: #52677b;
    font-size: 13px;
    line-height: 1.42;
}
.op-service-notice.warn { border-color: #fde68a; background: #fffbeb; }
.op-service-notice.success { border-color: #86efac; background: #f0fdf4; }
.op-service-notice.danger { border-color: #fecdd3; background: #fff1f2; }
.op-service-notice.muted { border-color: #cbd5e1; background: #f8fafc; }
.op-service-live {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 12px;
    padding: 11px 13px;
    border: 1px solid #bae6fd;
    border-radius: 16px;
    color: #075985;
    background: linear-gradient(145deg, #f0f9ff, #ecfeff);
    font-size: 14px;
    font-weight: 700;
}
.op-service-live[hidden] { display: none; }
.op-service-live button {
    border: 0;
    border-radius: 999px;
    padding: 8px 12px;
    color: #fff;
    background: linear-gradient(135deg, #0f766e, #22c1d6);
    font-weight: 800;
    cursor: pointer;
}
.op-service-inbox {
    display: grid;
    gap: 10px;
    max-height: 680px;
    overflow: auto;
    padding: 10px;
    border: 1px solid rgba(125,211,252,.34);
    border-radius: 18px;
    background: rgba(255,255,255,.22);
}
.op-service-inbox-head {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin: -10px -10px 0;
    padding: 12px 12px 10px;
    background: linear-gradient(145deg, rgba(236,254,255,.96), rgba(224,242,254,.9));
    border-bottom: 1px solid rgba(125,211,252,.34);
    border-radius: 18px 18px 0 0;
}
.op-service-inbox-head strong {
    display: block;
    color: #102a43;
    font-size: 15px;
    font-weight: 800;
}
.op-service-inbox-head span {
    display: inline-flex;
    margin-top: 3px;
    color: #60798b;
    font-size: 12px;
    font-weight: 600;
}
.op-service-request {
    border: 1px solid rgba(125,211,252,.5);
    border-radius: 17px;
    padding: 12px;
    background: linear-gradient(145deg, rgba(248,253,255,.9), rgba(239,252,255,.72));
    box-shadow: 0 10px 24px rgba(14,116,144,.06);
}
.op-service-request-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: start;
}
.op-service-request-head strong {
    display: block;
    color: #163247;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.25;
}
.op-service-request-head p {
    margin: 5px 0 2px;
    color: #52677b;
    font-size: 13px;
    line-height: 1.35;
}
.op-service-request-head span {
    color: #60798b;
    font-size: 12px;
    font-weight: 600;
}
.op-service-request-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}
.op-service-flow {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0;
    margin: 12px 0 10px;
    overflow: hidden;
    border: 1px solid rgba(125,211,252,.38);
    border-radius: 14px;
    background: rgba(255,255,255,.62);
}
.op-service-flow-step {
    position: relative;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 6px;
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    text-align: center;
    line-height: 1.15;
}
.op-service-flow-step + .op-service-flow-step {
    border-left: 1px solid rgba(125,211,252,.35);
}
.op-service-flow-step.done {
    color: #047857;
    background: rgba(209,250,229,.72);
}
.op-service-flow-step.current {
    color: #075985;
    background: rgba(224,242,254,.9);
}
.op-service-flow-step.warn {
    color: #92400e;
    background: rgba(254,243,199,.9);
}
.op-service-flow-step.download {
    color: #0f766e;
    background: linear-gradient(135deg, rgba(204,251,241,.86), rgba(186,230,253,.72));
}
.op-service-download {
    margin-top: 10px;
    width: 100%;
}
.op-service-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 16px; align-items: start; }
.op-service-form { display: grid; gap: 12px; }
.op-service-form label { display: grid; gap: 7px; color: #475569; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.op-service-form input,
.op-service-form select,
.op-service-form textarea {
    width: 100%;
    border: 1px solid #c7e8f1;
    border-radius: 15px;
    padding: 12px 13px;
    background: rgba(255,255,255,.82);
    color: #253449;
    font: inherit;
    outline: none;
    text-transform: none;
}
.op-service-form textarea { min-height: 88px; resize: vertical; }
.op-service-form input:focus,
.op-service-form select:focus,
.op-service-form textarea:focus { border-color: #22c1d6; box-shadow: 0 0 0 4px rgba(34,193,214,.13); }
.op-table { width: 100%; border-collapse: collapse; }
.op-table th { padding: 10px 8px; color: #334155; border-bottom: 1px solid #e2e8f0; font-size: 12px; font-weight: 600; text-align: left; text-transform: uppercase; }
.op-table td { padding: 11px 8px; border-bottom: 1px solid #eef2f7; vertical-align: top; font-size: 14px; }
.op-empty { border: 1px dashed rgba(125,211,252,.7); border-radius: 16px; padding: 20px; text-align: center; color: #64748b; background: linear-gradient(145deg, rgba(240,253,250,.68), rgba(224,242,254,.54)); font-size: 15px; font-weight: 400; line-height: 1.5; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .op-card, .op-item { transition: none; }
    .op-card:hover, .op-item:hover { transform: none; }
}
@media (max-width: 900px) {
    .op-login-card, .op-hero, .op-grid.cols-4, .op-grid.cols-3, .op-grid.cols-2, .op-monitor-grid, .op-service-layout { grid-template-columns: 1fr; }
    .op-notif-list { max-height: 220px; }
    .op-service-guide { grid-template-columns: 1fr; }
    .op-service-steps { justify-content: flex-start; }
    .op-service-inbox { max-height: none; padding: 8px; }
    .op-service-inbox-head,
    .op-service-request-head,
    .op-service-live { align-items: stretch; flex-direction: column; grid-template-columns: 1fr; }
    .op-service-request-badges { justify-content: flex-start; }
    .op-service-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .op-service-flow-step:nth-child(4) { border-left: 0; border-top: 1px solid rgba(125,211,252,.35); }
    .op-service-flow-step:nth-child(n+4) { border-top: 1px solid rgba(125,211,252,.35); }
    .op-toast {
        grid-template-columns: 46px minmax(0, 1fr);
        align-items: flex-start;
        border-radius: 20px;
    }
    .op-toast-icon {
        width: 46px;
        height: 46px;
        border-radius: 16px;
    }
    .op-toast-close {
        grid-column: 1 / -1;
        width: 100%;
    }
    .op-monitor-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .op-profile-head { align-items: flex-start; }
    .op-student-photo { width: 72px; height: 72px; flex-basis: 72px; border-radius: 20px; }
    .op-login-visual, .op-login-form { padding: 28px; }
    .op-topbar { align-items: flex-start; flex-direction: column; }
}