* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Tahoma, Arial, sans-serif;
    background: #f3f4f6;
    color: #111827;
}

a {
    text-decoration: none;
}

.login-body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.22), transparent 30%),
        linear-gradient(135deg, #0f172a, #1e293b);
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: #ffffff;
    border-radius: 28px;
    padding: 34px;
    box-shadow: 0 25px 70px rgba(0,0,0,0.25);
}

.login-logo {
    width: 70px;
    height: 70px;
    border-radius: 22px;
    background: linear-gradient(135deg, #2563eb, #0f172a);
    color: #fff;
    font-size: 34px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.login-card h1 {
    margin: 0 0 10px;
    font-size: 28px;
}

.login-card p {
    margin: 0 0 24px;
    color: #6b7280;
    line-height: 1.8;
}

label {
    display: block;
    margin: 15px 0 7px;
    font-weight: bold;
    color: #374151;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 14px;
    padding: 13px 14px;
    font-size: 15px;
    outline: none;
    background: #fff;
}

input:focus,
select:focus,
textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.btn-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #2563eb;
    color: #fff;
    border: 0;
    border-radius: 14px;
    padding: 13px 20px;
    font-weight: bold;
    font-size: 15px;
    cursor: pointer;
    margin-top: 18px;
}

.btn-main.full {
    width: 100%;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 14px;
    padding: 12px 14px;
    margin-bottom: 14px;
    line-height: 1.7;
}

.app-page {
    min-height: 100vh;
}

.top-header {
    background: #0f172a;
    color: #fff;
    padding: 16px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: #2563eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 24px;
}

.brand-title {
    font-size: 18px;
    font-weight: bold;
}

.brand-subtitle {
    font-size: 12px;
    color: #cbd5e1;
    margin-top: 4px;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.user-area span {
    color: #e5e7eb;
    font-size: 14px;
}

.user-area a {
    color: #fff;
    background: rgba(255,255,255,0.10);
    padding: 9px 12px;
    border-radius: 11px;
    font-size: 13px;
}

.user-area .logout-link {
    background: #dc2626;
}

.main-container {
    padding: 28px;
}

.dashboard-hero {
    background:
        radial-gradient(circle at top left, rgba(37,99,235,0.18), transparent 35%),
        #ffffff;
    border-radius: 28px;
    padding: 28px;
    box-shadow: 0 15px 35px rgba(15,23,42,0.08);
    margin-bottom: 22px;
}

.dashboard-hero h1 {
    margin: 0 0 10px;
    font-size: 30px;
}

.dashboard-hero p {
    margin: 0;
    color: #6b7280;
    line-height: 1.8;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.dash-card {
    background: #fff;
    border-radius: 24px;
    padding: 22px;
    color: #111827;
    box-shadow: 0 12px 28px rgba(15,23,42,0.07);
    border: 1px solid #e5e7eb;
    transition: 0.2s;
}

.dash-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 35px rgba(15,23,42,0.12);
}

.dash-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 15px;
}

.dash-card h2 {
    margin: 0 0 8px;
    font-size: 19px;
}

.dash-card p {
    margin: 0;
    color: #6b7280;
    line-height: 1.7;
    font-size: 14px;
}

.under-card {
    max-width: 680px;
    margin: 70px auto;
    background: #fff;
    border-radius: 30px;
    padding: 38px 28px;
    text-align: center;
    box-shadow: 0 18px 45px rgba(15,23,42,0.10);
}

.under-icon {
    width: 82px;
    height: 82px;
    border-radius: 26px;
    background: #eff6ff;
    color: #2563eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    margin: 0 auto 20px;
}

.under-card h1 {
    margin: 0 0 12px;
    font-size: 28px;
}

.under-card p {
    margin: 0 0 18px;
    color: #6b7280;
    line-height: 1.8;
}

.under-message {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
    border-radius: 16px;
    padding: 14px;
    line-height: 1.8;
    margin: 18px 0;
}

@media (max-width: 1100px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 650px) {
    .top-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px;
    }

    .main-container {
        padding: 15px;
    }

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

    .login-card {
        padding: 24px;
    }

    .under-card {
        margin: 25px auto;
    }
}