/* =====================================================================
   ForgeDesk Login - Design tokens
   ===================================================================== */
:root {
    --fd-red: #ED1C24;
    --fd-orange: #F7931E;
    --fd-amber: #FBB03B;
    --fd-black: #0D0D0D;
    --fd-black-soft: #161616;
    --fd-gray-900: #1A1A1A;
    --fd-gray-500: #6B7280;
    --fd-gray-300: #D1D5DB;
    --fd-gray-100: #F3F4F6;
    --fd-white: #FFFFFF;

    --fd-gradient: linear-gradient(90deg, var(--fd-red) 0%, var(--fd-orange) 100%);
    --fd-radius-lg: 24px;
    --fd-radius-md: 14px;
    --fd-radius-sm: 10px;

    --fd-shadow-panel: 0 30px 80px -20px rgba(0, 0, 0, 0.35);
    --fd-transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #EEF0F3;
    color: var(--fd-gray-900);
    -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}

/* =====================================================================
   Layout
   ===================================================================== */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
}

.auth-panel--brand,
.auth-panel--form {
    width: 100%;
}

/* Desktop: two-panel card */
@media (min-width: 900px) {
    .auth-wrapper {
        display: grid;
        grid-template-columns: minmax(360px, 460px) minmax(420px, 620px);
        max-width: 1360px;
        margin: 0 auto;
        border-radius: var(--fd-radius-lg);
        overflow: hidden;
        box-shadow: var(--fd-shadow-panel);
        padding: 0;
        min-height: 0;
    }
}

/* =====================================================================
   LEFT: Brand panel
   ===================================================================== */
.auth-panel--brand {
    position: relative;
    background: radial-gradient(circle at 15% 10%, #1c1c1c 0%, var(--fd-black) 65%);
    color: var(--fd-white);
    padding: 48px 40px;
    overflow: hidden;
    border-radius: var(--fd-radius-lg);
}

@media (min-width: 900px) {
    .auth-panel--brand {
        border-radius: 0;
        padding: 56px 48px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

.brand-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        repeating-linear-gradient(-32deg, rgba(237, 28, 36, 0.35) 0 1px, transparent 1px 14px);
    -webkit-mask-image: radial-gradient(circle at 0% 0%, black 0%, transparent 40%),
                        radial-gradient(circle at 100% 100%, black 0%, transparent 45%);
    mask-image: radial-gradient(circle at 0% 0%, black 0%, transparent 40%),
                radial-gradient(circle at 100% 100%, black 0%, transparent 45%);
    opacity: 0.6;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.brand-forge {
    font-weight: 800;
    font-size: 30px;
    letter-spacing: 0.5px;
    background: var(--fd-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.brand-triangle {
    width: 26px;
    height: 26px;
    background: var(--fd-gradient);
    clip-path: polygon(0 0, 100% 50%, 0 100%, 30% 50%);
    display: inline-block;
}

.brand-tagline {
    margin: 2px 0 0;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--fd-gray-300);
    position: relative;
    z-index: 1;
}

.brand-headline {
    margin: 36px 0 14px;
    font-size: clamp(26px, 3vw, 34px);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: 0.2px;
    position: relative;
    z-index: 1;
}

.brand-headline .accent,
.welcome-title .accent {
    background: var(--fd-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.brand-sub {
    max-width: 420px;
    color: var(--fd-gray-300);
    font-size: 15px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.feature-list {
    list-style: none;
    margin: 36px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-item strong {
    display: block;
    font-size: 13.5px;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.feature-item p {
    margin: 0;
    font-size: 13.5px;
    color: var(--fd-gray-300);
    line-height: 1.5;
}

.feature-icon {
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-icon--red { background: var(--fd-red); }
.feature-icon--orange { background: var(--fd-orange); }
.feature-icon--amber { background: var(--fd-amber); }

/* =====================================================================
   RIGHT: Form panel
   ===================================================================== */
.auth-panel--form {
    background: var(--fd-white);
    padding: 40px 28px;
    position: relative;
    border-radius: var(--fd-radius-lg);
    margin-top: 16px;
}

@media (min-width: 900px) {
    .auth-panel--form {
        border-radius: 0;
        margin-top: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 56px 72px;
    }
}

.lang-switch {
    display: none;
    align-items: center;
    gap: 6px;
    position: absolute;
    top: 32px;
    right: 40px;
    font-size: 14px;
    color: var(--fd-gray-900);
    cursor: pointer;
}
@media (min-width: 900px) { .lang-switch { display: inline-flex; } }

.form-inner { max-width: 420px; margin: 0 auto; width: 100%; }

.welcome-title {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 6px;
    letter-spacing: 0.2px;
}

.welcome-sub {
    margin: 0 0 28px;
    color: var(--fd-gray-500);
    font-size: 14.5px;
}

.field-label {
    display: block;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.6px;
    color: var(--fd-gray-900);
    margin: 18px 0 8px;
}
.field-label:first-of-type { margin-top: 0; }

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    width: 19px;
    height: 19px;
    color: var(--fd-gray-500);
    pointer-events: none;
}

.input-group input[type="text"],
.input-group input[type="email"],
.input-group input[type="password"] {
    width: 100%;
    padding: 13px 44px;
    border: 1.5px solid var(--fd-gray-300);
    border-radius: var(--fd-radius-sm);
    font-size: 14.5px;
    font-family: inherit;
    color: var(--fd-gray-900);
    background: var(--fd-white);
    transition: border-color var(--fd-transition), box-shadow var(--fd-transition);
}

.input-group input::placeholder { color: #9CA3AF; }

.input-group input:focus {
    outline: none;
    border-color: var(--fd-orange);
    box-shadow: 0 0 0 4px rgba(247, 147, 30, 0.15);
}

.toggle-visibility {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--fd-gray-500);
    display: flex;
    transition: color var(--fd-transition), transform var(--fd-transition);
}
.toggle-visibility svg { width: 19px; height: 19px; }
.toggle-visibility:hover { color: var(--fd-gray-900); }
.toggle-visibility:active { transform: scale(0.88); }

.row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 18px 0 24px;
    font-size: 13.5px;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--fd-gray-900);
    user-select: none;
}

.checkbox-label input { position: absolute; opacity: 0; width: 0; height: 0; }

.checkbox-box {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 1.5px solid var(--fd-gray-300);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--fd-transition), border-color var(--fd-transition), transform var(--fd-transition);
}

.checkbox-label input:checked + .checkbox-box {
    background: var(--fd-gradient);
    border-color: transparent;
}

.checkbox-label input:checked + .checkbox-box::after {
    content: '';
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
}

.checkbox-label input:active + .checkbox-box { transform: scale(0.9); }

.link-accent {
    color: var(--fd-red);
    text-decoration: none;
    font-weight: 600;
    transition: opacity var(--fd-transition);
}
.link-accent:hover { opacity: 0.75; text-decoration: underline; }

/* Buttons */
.btn-primary {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border: none;
    border-radius: var(--fd-radius-sm);
    background: var(--fd-gradient);
    background-size: 160% 100%;
    background-position: 0% 0%;
    color: var(--fd-white);
    font-weight: 700;
    font-size: 14.5px;
    letter-spacing: 0.5px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 10px 24px -8px rgba(237, 28, 36, 0.55);
    transition: background-position 420ms ease, transform 150ms ease, box-shadow var(--fd-transition);
}

.btn-primary:hover { background-position: 100% 0%; box-shadow: 0 14px 30px -8px rgba(237, 28, 36, 0.65); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary--link { margin-top: 20px; }

.divider {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 26px 0;
    color: var(--fd-gray-500);
    font-size: 12.5px;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--fd-gray-300);
}

.btn-google {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 13px 20px;
    border: 1.5px solid var(--fd-gray-300);
    border-radius: var(--fd-radius-sm);
    background: var(--fd-white);
    color: var(--fd-gray-900);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.3px;
    text-decoration: none;
    cursor: pointer;
    transition: border-color var(--fd-transition), transform 150ms ease, box-shadow var(--fd-transition);
}
.btn-google:hover { border-color: var(--fd-gray-900); box-shadow: 0 6px 16px -8px rgba(0,0,0,0.25); }
.btn-google:active { transform: scale(0.98); }

.switch-link {
    text-align: center;
    margin: 28px 0 0;
    font-size: 13.5px;
    color: var(--fd-gray-500);
}
.switch-link a { color: var(--fd-red); font-weight: 700; text-decoration: none; }
.switch-link a:hover { text-decoration: underline; }

/* Alerts */
.alert {
    padding: 12px 14px;
    border-radius: var(--fd-radius-sm);
    font-size: 13.5px;
    margin-bottom: 18px;
    animation: fd-shake-in 320ms ease;
}
.alert--error { background: #FEF2F2; color: #B91C1C; border: 1px solid #FCA5A5; }
.alert--success { background: #F0FDF4; color: #15803D; border: 1px solid #86EFAC; }

/* =====================================================================
   Animations
   ===================================================================== */
@keyframes fd-fade-up {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fd-shake-in {
    0%   { opacity: 0; transform: translateY(-6px); }
    100% { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
    animation: fd-fade-up 560ms cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: var(--delay, 0s);
}
.feature-item.fade-in-up { animation-duration: 620ms; }

/* =====================================================================
   Focus-visible accessibility
   ===================================================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--fd-orange);
    outline-offset: 2px;
}

/* =====================================================================
   Small screens
   ===================================================================== */
@media (max-width: 899px) {
    .auth-panel--brand { text-align: left; }
    .brand-headline { font-size: 24px; }
    .feature-list { gap: 18px; }
    .auth-panel--form { box-shadow: 0 20px 50px -20px rgba(0,0,0,0.25); }
}

@media (max-width: 420px) {
    .auth-wrapper { padding: 16px 10px; }
    .auth-panel--brand, .auth-panel--form { padding: 32px 20px; }
    .row-between { flex-direction: row; }
}