/* =========================================================
   ROOT
========================================================= */

:root {
    --bg: #f4f7fb;

    --surface: #ffffff;
    --surface-soft: #f8fafc;

    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: #eff6ff;

    --success: #16a34a;
    --success-hover: #15803d;
    --success-soft: #f0fdf4;

    --danger: #dc2626;
    --danger-soft: #fef2f2;

    --text-main: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --border: #e2e8f0;
    --border-dark: #cbd5e1;

    --shadow-sm:
        0 8px 24px rgba(15, 23, 42, 0.06);

    --shadow-md:
        0 18px 50px rgba(15, 23, 42, 0.1);

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: 0.2s ease;
}

.app-loading{position:fixed;inset:0;z-index:5000;display:grid;place-items:center;padding:18px;background:rgba(15,23,42,.5);backdrop-filter:blur(3px)}.app-loading[hidden]{display:none}.app-loading-card{width:min(286px,100%);display:grid;justify-items:center;gap:6px;padding:18px 20px;border:1px solid rgba(148,163,184,.32);border-radius:14px;background:#fff;box-shadow:0 20px 58px rgba(15,23,42,.25);text-align:center}.app-loading-card i{color:var(--primary,#1769aa);font-size:1.35rem;line-height:1;animation:app-spin .8s linear infinite}.app-loading-card strong{color:var(--text-main,#0f2a43);font-size:.8rem;line-height:1.25}.app-loading-card span{max-width:230px;color:var(--text-muted,#66788a);font-size:.64rem;line-height:1.35}@keyframes app-spin{to{transform:rotate(360deg)}}


/* =========================================================
   RESET
========================================================= */

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;

    min-height: 100vh;

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text-main);

    background:
        linear-gradient(
            135deg,
            #f8fafc 0%,
            #eef4ff 100%
        );
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
}


/* =========================================================
   PAGE
========================================================= */

.login-page {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 24px;
}


/* =========================================================
   CONTAINER
========================================================= */

.login-container {
    width: 100%;
    max-width: 920px;

    background: var(--surface);

    border: 1px solid var(--border);
    border-radius: var(--radius-lg);

    box-shadow: var(--shadow-md);

    overflow: hidden;
}


/* =========================================================
   HEADER
========================================================= */

.login-header {
    display: flex;
    align-items: center;

    gap: 18px;

    padding: 28px 32px;

    border-bottom: 1px solid var(--border);
}

.login-logo {
    width: 64px;
    height: 64px;

    object-fit: contain;
}

.login-brand h1 {
    margin: 0;

    font-size: 1.8rem;
    line-height: 1.1;

    letter-spacing: -0.02em;
}

.login-brand p {
    margin: 6px 0 0;

    color: var(--text-muted);

    font-size: 0.9rem;
}


/* =========================================================
   SECTIONS
========================================================= */

.role-selection,
.login-panel {
    padding: 32px;
}

.section-heading {
    margin-bottom: 24px;
}

.section-heading h2 {
    margin: 0 0 6px;

    font-size: 1.35rem;

    letter-spacing: -0.01em;
}

.section-heading p {
    margin: 0;

    color: var(--text-muted);

    line-height: 1.5;
}


/* =========================================================
   ROLE CARDS
========================================================= */

.role-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 18px;
}

.role-card {
    position: relative;

    width: 100%;
    min-height: 170px;

    display: flex;
    align-items: center;

    gap: 18px;

    padding: 24px;

    border: 2px solid var(--border);
    border-radius: var(--radius-md);

    background: var(--surface);

    color: var(--text-main);

    text-align: left;

    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition),
        background-color var(--transition);
}

.role-card:hover {
    transform: translateY(-2px);

    box-shadow: var(--shadow-sm);
}

.role-card:active {
    transform: translateY(0);
}

.role-admin:hover {
    border-color: var(--primary);

    background: var(--primary-soft);
}

.role-cashier:hover {
    border-color: var(--success);

    background: var(--success-soft);
}

.role-icon {
    width: 64px;
    height: 64px;

    flex-shrink: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 18px;

    font-size: 1.45rem;
}

.role-admin .role-icon {
    color: var(--primary);

    background: #dbeafe;
}

.role-cashier .role-icon {
    color: var(--success);

    background: #dcfce7;
}

.role-content {
    display: flex;
    flex-direction: column;

    flex: 1;

    gap: 8px;
}

.role-content strong {
    font-size: 1.05rem;
}

.role-content small {
    color: var(--text-muted);

    line-height: 1.5;
}

.role-arrow {
    color: var(--text-muted);

    font-size: 0.8rem;

    transition:
        transform var(--transition),
        color var(--transition);
}

.role-card:hover .role-arrow {
    transform: translateX(4px);
}

.role-admin:hover .role-arrow {
    color: var(--primary);
}

.role-cashier:hover .role-arrow {
    color: var(--success);
}


/* =========================================================
   LOGIN PANEL
========================================================= */

.login-panel {
    border-top: 1px solid var(--border);
}

.login-panel[hidden],
.form-group[hidden] {
    display: none !important;
}

.login-panel-heading {
    position: relative;
}

.back-button {
    display: inline-flex;
    align-items: center;

    gap: 8px;

    margin-bottom: 20px;

    padding: 9px 12px;

    border: 1px solid var(--border);
    border-radius: var(--radius-sm);

    color: var(--text-secondary);

    background: var(--surface-soft);

    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.back-button:hover {
    background: #eef2f7;

    border-color: var(--border-dark);
}


/* =========================================================
   FORM
========================================================= */

#login-form {
    display: grid;

    gap: 18px;
}

.form-group {
    display: grid;

    gap: 8px;
}

.form-group label {
    color: var(--text-secondary);

    font-size: 0.9rem;
    font-weight: 600;
}

.input-wrapper {
    position: relative;

    display: flex;
    align-items: center;

    width: 100%;
}

.input-icon {
    position: absolute;

    left: 15px;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 18px;

    color: #94a3b8;

    pointer-events: none;
}

.form-group input,
.form-group select {
    width: 100%;

    min-height: 50px;

    padding:
        0 14px
        0 44px;

    border: 1px solid var(--border);
    border-radius: var(--radius-sm);

    color: var(--text-main);

    background: var(--surface);

    outline: none;

    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        background-color var(--transition);
}

.form-group input::placeholder {
    color: #94a3b8;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);

    box-shadow:
        0 0 0 3px
        rgba(37, 99, 235, 0.12);
}


/* =========================================================
   PASSWORD
========================================================= */

.password-field {
    display: flex;

    gap: 10px;
}

.password-input-wrapper {
    flex: 1;
}

.password-toggle {
    width: 50px;
    min-width: 50px;

    border: 1px solid var(--border);
    border-radius: var(--radius-sm);

    color: var(--text-secondary);

    background: var(--surface-soft);

    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.password-toggle:hover {
    background: #eef2f7;

    border-color: var(--border-dark);
}


/* =========================================================
   MESSAGE
========================================================= */

.login-message {
    min-height: 20px;

    margin: 0;

    color: var(--danger);

    font-size: 0.85rem;
    font-weight: 500;
}

.login-message.success {
    color: var(--success);
}


/* =========================================================
   SUBMIT
========================================================= */

.login-submit {
    min-height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 10px;

    border: 0;
    border-radius: var(--radius-sm);

    color: #ffffff;

    background: var(--primary);

    font-weight: 700;

    transition:
        background-color var(--transition),
        transform var(--transition),
        opacity var(--transition);
}

.login-submit:hover:not(:disabled) {
    background: var(--primary-hover);
}

.login-submit:active:not(:disabled) {
    transform: scale(0.99);
}

.login-submit:disabled {
    opacity: 0.72;
}

.login-submit.loading .login-submit-icon {
    animation:
        login-spin
        0.8s
        linear
        infinite;
}

@keyframes login-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}


/* =========================================================
   FOOTER
========================================================= */

.login-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 12px;

    padding: 18px 32px;

    border-top: 1px solid var(--border);

    background: var(--surface-soft);

    color: var(--text-muted);

    font-size: 0.78rem;
}

.login-footer p {
    margin: 0;

    font-weight: 600;
}


/* =========================================================
   TABLET / MOBILE
========================================================= */

@media (max-width: 720px) {

    .login-page {
        align-items: stretch;

        padding: 0;
    }

    .login-container {
        max-width: none;
        min-height: 100vh;

        border: 0;
        border-radius: 0;

        box-shadow: none;
    }

    .login-header {
        padding: 24px 20px;
    }

    .login-logo {
        width: 54px;
        height: 54px;
    }

    .login-brand h1 {
        font-size: 1.5rem;
    }

    .role-selection,
    .login-panel {
        padding: 24px 20px;
    }

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

    .role-card {
        min-height: 130px;

        padding: 20px;
    }

    .login-footer {
        flex-direction: column;

        align-items: flex-start;

        padding: 18px 20px;
    }

}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 420px) {

    .login-header {
        align-items: flex-start;
    }

    .login-logo {
        width: 48px;
        height: 48px;
    }

    .role-card {
        align-items: flex-start;
    }

    .role-icon {
        width: 52px;
        height: 52px;

        border-radius: 14px;

        font-size: 1.2rem;
    }

    .role-arrow {
        margin-top: 18px;
    }

}