/* ============================================================
   KPS Dental — Login Page Styles
   Split layout: branding panel (left) + form panel (right)
   ============================================================ */

/* ── CSS Variables ── */
:root {
    --login-brand-from: #0f172a;
    --login-brand-to:   #1d4ed8;
    --login-form-bg:    #f8fafc;
    --login-card-bg:    #ffffff;
    --login-text:       #1e293b;
    --login-muted:      #64748b;
    --login-border:     #e2e8f0;
    --login-input-bg:   #ffffff;
    --login-primary:    #2563eb;
    --login-primary-h:  #1d4ed8;
    --login-shadow:     0 25px 50px -12px rgba(0,0,0,.25);
    --login-radius:     16px;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --login-brand-from: #020617;
        --login-brand-to:   #1e3a8a;
        --login-form-bg:    #0f172a;
        --login-card-bg:    #1e293b;
        --login-text:       #f1f5f9;
        --login-muted:      #94a3b8;
        --login-border:     #334155;
        --login-input-bg:   #1e293b;
    }
}
[data-theme="dark"] {
    --login-brand-from: #020617;
    --login-brand-to:   #1e3a8a;
    --login-form-bg:    #0f172a;
    --login-card-bg:    #1e293b;
    --login-text:       #f1f5f9;
    --login-muted:      #94a3b8;
    --login-border:     #334155;
    --login-input-bg:   #1e293b;
}

/* ── Base reset for login ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.kps-login-page {
    min-height: 100vh;
    display: flex;
    background: var(--login-form-bg);
}

/* ── Left: Branding Panel ── */
.kps-login-brand {
    display: none;           /* hidden on mobile */
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 3.5rem;
    background: linear-gradient(145deg, var(--login-brand-from) 0%, var(--login-brand-to) 100%);
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .kps-login-brand {
        display: flex;
        flex: 0 0 58%;
        max-width: 58%;
    }
}

/* decorative circles */
.kps-login-brand::before,
.kps-login-brand::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: .07;
    background: #fff;
}
.kps-login-brand::before {
    width: 480px; height: 480px;
    top: -120px; right: -160px;
}
.kps-login-brand::after {
    width: 320px; height: 320px;
    bottom: -80px; left: -80px;
}

.kps-brand-logo {
    width: 60px; height: 60px;
    background: rgba(255,255,255,.15);
    border: 2px solid rgba(255,255,255,.25);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 2rem;
    font-size: 28px; color: #fff;
    backdrop-filter: blur(6px);
}

.kps-brand-title {
    font-size: clamp(1.9rem, 2.8vw, 2.6rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 1rem;
    position: relative;
}

.kps-brand-sub {
    font-size: 1rem;
    color: rgba(255,255,255,.68);
    line-height: 1.6;
    max-width: 400px;
    margin-bottom: 2.5rem;
    position: relative;
}

.kps-brand-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .75rem;
    position: relative;
}

.kps-brand-features li {
    display: flex;
    align-items: center;
    gap: .65rem;
    color: rgba(255,255,255,.82);
    font-size: .9rem;
}

.kps-brand-features li .kps-feature-dot {
    width: 22px; height: 22px;
    background: rgba(255,255,255,.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; color: #fff;
    flex-shrink: 0;
}

.kps-brand-badge {
    margin-top: 3rem;
    padding: .5rem 1rem;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 99px;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .78rem;
    color: rgba(255,255,255,.75);
    position: relative;
}
.kps-brand-badge span { color: #fff; font-weight: 600; }

/* ── Right: Form Panel ── */
.kps-login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    background: var(--login-form-bg);
    position: relative;
}

.kps-login-box {
    width: 100%;
    max-width: 400px;
}

/* Mobile logo (shown when branding panel is hidden) */
.kps-mobile-logo {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: 2rem;
}
@media (min-width: 1024px) {
    .kps-mobile-logo { display: none; }
}

.kps-mobile-logo-icon {
    width: 44px; height: 44px;
    background: var(--login-primary);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px; flex-shrink: 0;
}

.kps-mobile-logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--login-text);
}

/* Form heading */
.kps-login-heading {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--login-text);
    margin-bottom: .3rem;
}
.kps-login-sub {
    font-size: .875rem;
    color: var(--login-muted);
    margin-bottom: 2rem;
}

/* Card-like wrapper for the form (subtle background) */
.kps-login-card-inner {
    background: var(--login-card-bg);
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius);
    padding: 2rem;
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
    margin-bottom: 1.25rem;
}

/* Inputs */
.kps-login-label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: .4rem;
    letter-spacing: .01em;
}

.kps-login-input-wrap {
    position: relative;
    margin-bottom: 1.2rem;
}

.kps-login-input {
    width: 100%;
    min-height: 48px;
    padding: .65rem 1rem .65rem 2.75rem;
    border: 1.5px solid var(--login-border);
    border-radius: 10px;
    background: var(--login-input-bg);
    color: var(--login-text);
    font-size: .9rem;
    outline: none;
    transition: border-color .18s, box-shadow .18s;
    -webkit-appearance: none;
}
.kps-login-input:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.kps-login-input::placeholder { color: #a0aec0; }
.kps-login-input.is-invalid {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239,68,68,.12);
    animation: kpsShake .38s ease;
}

.kps-input-icon {
    position: absolute;
    left: .85rem; top: 50%;
    transform: translateY(-50%);
    color: var(--login-muted);
    font-size: 1rem;
    pointer-events: none;
}

.kps-pass-toggle {
    position: absolute;
    right: .75rem; top: 50%;
    transform: translateY(-50%);
    background: none; border: none;
    color: var(--login-muted);
    cursor: pointer; padding: .2rem;
    line-height: 1; border-radius: 4px;
    transition: color .15s;
}
.kps-pass-toggle:hover { color: var(--login-primary); }

/* Checkbox row */
.kps-login-opts {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.4rem;
}
.kps-login-remember {
    display: flex; align-items: center; gap: .45rem;
    font-size: .82rem; color: var(--login-muted); cursor: pointer;
}
.kps-login-remember input[type="checkbox"] {
    width: 15px; height: 15px; accent-color: var(--login-primary);
    cursor: pointer;
}
.kps-login-forgot {
    font-size: .82rem; color: var(--login-primary);
    text-decoration: none;
}
.kps-login-forgot:hover { text-decoration: underline; }

/* Submit button */
.kps-login-btn {
    width: 100%;
    min-height: 48px;
    background: var(--login-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: .5rem;
    transition: background .18s, transform .12s, box-shadow .18s;
    box-shadow: 0 4px 14px rgba(37,99,235,.35);
}
.kps-login-btn:hover:not(:disabled) {
    background: var(--login-primary-h);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(37,99,235,.4);
}
.kps-login-btn:active:not(:disabled) { transform: translateY(0); }
.kps-login-btn:disabled { opacity: .7; cursor: not-allowed; }

/* Spinner inside button */
.kps-btn-spinner {
    display: none;
    width: 18px; height: 18px;
    border: 2.5px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: kpsSpin .7s linear infinite;
}
.kps-login-btn.loading .kps-btn-spinner { display: block; }
.kps-login-btn.loading .kps-btn-text { opacity: 0; position: absolute; }

/* Error alert */
.kps-login-alert {
    display: flex; align-items: flex-start; gap: .6rem;
    background: #fef2f2; border: 1px solid #fecaca; border-radius: 8px;
    padding: .75rem 1rem; font-size: .85rem; color: #b91c1c;
    margin-bottom: 1.2rem;
}
[data-theme="dark"] .kps-login-alert {
    background: rgba(239,68,68,.08);
    border-color: rgba(239,68,68,.25);
    color: #fca5a5;
}

/* Footer text */
.kps-login-footer {
    text-align: center;
    font-size: .78rem;
    color: var(--login-muted);
}
.kps-login-footer a { color: var(--login-primary); text-decoration: none; }
.kps-login-footer a:hover { text-decoration: underline; }

/* ── Animations ── */
@keyframes kpsShake {
    0%,100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(5px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(3px); }
}

@keyframes kpsSpin {
    to { transform: rotate(360deg); }
}

/* ── Theme toggle (top-right corner) ── */
.kps-login-theme-toggle {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    background: var(--login-card-bg);
    border: 1px solid var(--login-border);
    border-radius: 8px;
    padding: .35rem .55rem;
    cursor: pointer; display: flex; align-items: center;
    gap: .4rem; font-size: .8rem; color: var(--login-muted);
    transition: all .15s;
    z-index: 10;
}
.kps-login-theme-toggle:hover { color: var(--login-primary); border-color: var(--login-primary); }