:root {
    --acct-bg: #f3f5f8;
    --acct-panel: rgba(255, 255, 255, 0.95);
    --acct-line: #d8dee8;
    --acct-line-strong: #bfd0c3;
    --acct-text: #18212f;
    --acct-muted: #667085;
    --acct-brand: #166534;
    --acct-brand-2: #0f766e;
    --acct-danger: #b42318;
    --acct-shadow: 0 20px 42px rgba(15, 23, 42, 0.12);
}

body {
    background:
        radial-gradient(circle at top left, rgba(22, 101, 52, 0.12), transparent 28%),
        linear-gradient(180deg, #f8fafc 0%, var(--acct-bg) 100%) !important;
    color: var(--acct-text);
}

.container {
    max-width: 980px !important;
    padding: 24px !important;
    background: var(--acct-panel) !important;
    border: 1px solid rgba(216, 222, 232, 0.96);
    border-radius: 28px !important;
    box-shadow: var(--acct-shadow) !important;
}

.login-form-container,
.register-form-container,
.change-password-form,
.form-section {
    background: linear-gradient(180deg, #ffffff, #f7fbf8);
    border: 1px solid #dbe5df !important;
    border-radius: 24px !important;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.06);
}

.login-form-container,
.register-form-container,
.change-password-form {
    max-width: 480px !important;
    margin: 18px auto !important;
    padding: 28px !important;
}

.login-form-container h2,
.register-form-container h2,
.change-password-form h2,
.container h2 {
    margin: 0 0 18px;
    color: var(--acct-text) !important;
    font-size: 28px;
    letter-spacing: -0.03em;
}

.form-group,
.container .form-group {
    margin-bottom: 16px !important;
}

label,
.form-label {
    display: block;
    margin-bottom: 8px !important;
    color: #344054 !important;
    font-weight: 800 !important;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
.form-control {
    width: 100%;
    min-height: 52px;
    padding: 0 18px !important;
    border-radius: 18px !important;
    border: 1px solid var(--acct-line) !important;
    background: #fff !important;
    color: var(--acct-text);
    box-sizing: border-box;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.05);
}

input:focus,
select:focus,
.form-control:focus {
    outline: none;
    border-color: var(--acct-line-strong) !important;
    box-shadow: 0 0 0 4px rgba(22, 101, 52, 0.08), 0 10px 22px rgba(15, 23, 42, 0.05);
}

.btn,
.submit-btn {
    height: 52px;
    min-height: 52px;
    padding: 0 20px !important;
    border: none !important;
    border-radius: 20px !important;
    background: linear-gradient(135deg, var(--acct-brand), var(--acct-brand-2)) !important;
    color: #fff !important;
    font-weight: 800 !important;
    line-height: 1 !important;
    box-shadow: 0 14px 28px rgba(22, 101, 52, 0.22);
}

.actions .btn {
    height: 40px;
    min-height: 40px;
    padding: 0 14px !important;
    font-size: 14px;
    box-shadow: none;
}

.btn-edit {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: #fff !important;
}

.btn-delete {
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
}

.btn-clear {
    background: #fff !important;
    color: #344054 !important;
    border: 1px solid var(--acct-line) !important;
    box-shadow: none;
}

.alert,
.flash-message,
.flashes li {
    padding: 12px 14px !important;
    border-radius: 14px !important;
    background: #fff4f2 !important;
    border: 1px solid #f7c9c3 !important;
    color: var(--acct-danger) !important;
}

.flash-messages,
.flashes {
    display: grid;
    gap: 10px;
    margin: 0 0 16px !important;
}

.register-link,
.login-link,
.page-links {
    margin-top: 18px;
    text-align: center;
    color: var(--acct-muted);
}

.page-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.page-links a,
.register-link a,
.login-link a {
    color: #344054 !important;
    font-weight: 700 !important;
    text-decoration: none;
}

.table-wrapper {
    border: 1px solid var(--acct-line) !important;
    border-radius: 20px !important;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.05);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.form-actions .btn,
.form-actions .submit-btn {
    min-width: 160px;
}

th {
    background: #f7fbf8 !important;
}

hr {
    border: none;
    border-top: 1px solid var(--acct-line);
}

@media (max-width: 720px) {
    .container {
        padding: 18px !important;
        border-radius: 22px !important;
    }

    .login-form-container,
    .register-form-container,
    .change-password-form,
    .form-section {
        padding: 20px !important;
        border-radius: 20px !important;
    }

    .login-form-container h2,
    .register-form-container h2,
    .change-password-form h2,
    .container h2 {
        font-size: 24px;
    }

    .form-actions .btn,
    .form-actions .submit-btn {
        width: 100%;
    }
}