:root {
    --green-dark: #173f35;
    --green: #1d6b55;
    --green-hover: #175745;
    --green-soft: #e8f1ec;
    --background: #f7f7f4;
    --surface: #ffffff;
    --text: #1d2520;
    --muted: #66716a;
    --border: #d7ded9;
    --error: #a53d3d;
    --error-bg: #f7dddd;
}

* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    background: var(--background);
    color: var(--text);
    line-height: 1.5;
}


/* --------------------------------------------------
   LOGIN
-------------------------------------------------- */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.07);
}

.login-brand {
    text-align: center;
    margin-bottom: 1.7rem;
}

.login-brand h1 {
    margin: 0 0 0.4rem;
    color: var(--green-dark);
    font-size: 1.8rem;
}

.login-brand p {
    margin: 0;
    color: var(--muted);
}

.login-card label {
    display: block;
    margin: 1rem 0 0.4rem;
    font-weight: 600;
}

.login-card input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #9aa69f;
    border-radius: 6px;
    font: inherit;
    background: #fff;
    color: var(--text);
}

.login-card input:focus {
    outline: 2px solid #7ba99a;
    outline-offset: 1px;
    border-color: var(--green);
}

.login-button {
    width: 100%;
    margin-top: 1.4rem;
    padding: 0.9rem 1rem;
    border: 0;
    border-radius: 6px;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.login-button:hover {
    background: var(--green-hover);
}

.login-note {
    margin-top: 1rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
}


/* --------------------------------------------------
   COMMON
-------------------------------------------------- */

.error {
    background: var(--error-bg);
    border-left: 4px solid var(--error);
    padding: 0.85rem 1rem;
    border-radius: 5px;
    margin: 1rem 0;
}

.notice {
    background: var(--green-soft);
    border-left: 4px solid var(--green);
    padding: 0.85rem 1rem;
    border-radius: 5px;
}


/* --------------------------------------------------
   ADMIN HEADER
-------------------------------------------------- */

.admin-header {
    background: var(--green-dark);
    color: #fff;
}

.admin-topbar {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0.9rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 700;
    font-size: 1.05rem;
}

.admin-logo {
    width: 42px;
    height: 42px;
    border-radius: 7px;
    background: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-user {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
}


/* --------------------------------------------------
   ADMIN MAIN
-------------------------------------------------- */

.admin-main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
}

.admin-main h1 {
    color: var(--green-dark);
    margin: 0 0 0.4rem;
    font-size: 2rem;
}

.admin-intro {
    margin: 0 0 2rem;
    color: var(--muted);
}


/* --------------------------------------------------
   DASHBOARD COUNTERS
-------------------------------------------------- */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 1.25rem;
}

.dashboard-number {
    color: var(--green-dark);
    font-size: 2.1rem;
    font-weight: 750;
    line-height: 1.1;
}

.dashboard-label {
    margin-top: 0.35rem;
    color: var(--muted);
    font-size: 0.9rem;
}


/* --------------------------------------------------
   DASHBOARD MENU
-------------------------------------------------- */

.admin-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.admin-menu a {
    display: block;
    padding: 1.3rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.admin-menu a:hover {
    border-color: var(--green);
    transform: translateY(-1px);
}

.admin-menu strong {
    display: block;
    color: var(--green-dark);
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.admin-menu span {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
}


/* --------------------------------------------------
   RESPONSIVE
-------------------------------------------------- */

@media (max-width: 760px) {

    .admin-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .admin-menu {
        grid-template-columns: 1fr;
    }

    .admin-main h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 420px) {

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

    .login-card {
        padding: 1.4rem;
    }
}