/* =============================================
   Frontend Auth Modal — fam.css
   ============================================= */

/* ── Tokens ── */
:root {
    --fam-primary:      #006937;
    --fam-primary-dark: #005229;
    --fam-danger:       #ef4444;
    --fam-success:      #22c55e;
    --fam-warn:         #f59e0b;
    --fam-bg:           #ffffff;
    --fam-surface:      #f9fafb;
    --fam-border:       #e5e7eb;
    --fam-text:         #111827;
    --fam-muted:        #6b7280;
    --fam-radius:       12px;
    --fam-shadow:       0 20px 60px rgba(0,0,0,.18);
    --fam-transition:   .2s ease;
}

/* ── Overlay ── */
.fam-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0,0,0,.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(4px);
    animation: fam-fade-in .2s ease;
}
.fam-overlay[hidden] { display: none !important; }

@keyframes fam-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Modal card ── */
.fam-modal {
    background: var(--fam-bg);
    border-radius: var(--fam-radius);
    box-shadow: var(--fam-shadow);
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    position: relative;
    animation: fam-slide-up .25s ease;
}
@keyframes fam-slide-up {
    from { transform: translateY(24px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

/* ── Close button ── */
.fam-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--fam-muted);
    transition: color var(--fam-transition);
    padding: 0;
}
.fam-modal__close:hover { color: var(--fam-text); }

/* ── Tabs ── */
.fam-tabs {
    display: flex;
    border-bottom: 2px solid var(--fam-border);
    margin-bottom: 1.5rem;
}
.fam-tab {
    flex: 1;
    background: none;
    border: none;
    padding: .6rem 1rem;
    font-size: .9rem;
    font-weight: 600;
    color: var(--fam-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color var(--fam-transition), border-color var(--fam-transition);
}
.fam-tab.active,
.fam-tab:hover {
    color: var(--fam-primary);
    border-bottom-color: var(--fam-primary);
}

/* ── Message banner ── */
.fam-message {
    padding: .75rem 1rem;
    border-radius: 8px;
    font-size: .875rem;
    margin-bottom: 1rem;
    font-weight: 500;
}
.fam-message[hidden] { display: none !important; }
.fam-message.success { background: #dcfce7; color: #166534; }
.fam-message.error   { background: #fee2e2; color: #991b1b; }

/* ── Form fields ── */
.fam-field {
    margin-bottom: 1rem;
}
.fam-field label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--fam-text);
    margin-bottom: .35rem;
    letter-spacing: .01em;
}
.fam-field input[type="text"],
.fam-field input[type="email"],
.fam-field input[type="password"] {
    width: 100%;
    padding: .6rem .85rem;
    border: 1.5px solid var(--fam-border);
    border-radius: 8px;
    font-size: .9rem;
    color: var(--fam-text);
    background: var(--fam-surface);
    transition: border-color var(--fam-transition), box-shadow var(--fam-transition);
    box-sizing: border-box;
}
.fam-field input:focus {
    outline: none;
    border-color: var(--fam-primary);
    box-shadow: 0 0 0 3px rgba(0,105,55,.15);
}

/* ── SVG icons ── */
.fam-icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }
.fam-icon--eye { stroke: var(--fam-muted); }
.fam-gate__icon .fam-icon { stroke: var(--fam-primary); display: block; margin: 0 auto .75rem; }
.fam-field input.invalid {
    border-color: var(--fam-danger);
}

/* ── Password visibility toggle ── */
.fam-pass-wrap {
    position: relative;
    display: flex;
}
.fam-pass-wrap input {
    padding-right: 2.5rem;
}
.fam-toggle-pass {
    position: absolute;
    right: .6rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    color: var(--fam-muted);
    line-height: 1;
}

/* ── Password strength ── */
.fam-strength { margin-top: .4rem; }
.fam-strength__bar {
    height: 4px;
    background: var(--fam-border);
    border-radius: 99px;
    overflow: hidden;
}
.fam-strength__bar span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 99px;
    transition: width .3s ease, background .3s ease;
}
.fam-strength__label {
    font-size: .75rem;
    color: var(--fam-muted);
    margin-top: .2rem;
    display: block;
}

/* ── Remember me checkbox ── */
.fam-checkbox {
    display: flex;
    align-items: center;
    gap: .45rem;
    font-size: .8rem;
    color: var(--fam-muted);
    margin-bottom: 1.25rem;
    cursor: pointer;
    user-select: none;
}
.fam-checkbox input { cursor: pointer; }

/* ── Buttons ── */
.fam-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .6rem 1.25rem;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--fam-transition), color var(--fam-transition),
                border-color var(--fam-transition), transform var(--fam-transition),
                box-shadow var(--fam-transition);
    text-decoration: none;
    white-space: nowrap;
}
.fam-btn:active { transform: scale(.97); }

.fam-btn--primary {
    background: var(--fam-primary);
    color: #fff;
    border-color: var(--fam-primary);
}
.fam-btn--primary:hover {
    background: var(--fam-primary-dark);
    border-color: var(--fam-primary-dark);
    box-shadow: 0 4px 14px rgba(79,70,229,.35);
}

.fam-btn--outline {
    background: transparent;
    color: var(--fam-primary);
    border-color: var(--fam-primary);
}
.fam-btn--outline:hover {
    background: var(--fam-primary);
    color: #fff;
}

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

/* ── Spinner inside button ── */
.fam-btn__spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: fam-spin .6s linear infinite;
    display: inline-block;
}
.fam-btn__spinner[hidden] { display: none !important; }
@keyframes fam-spin {
    to { transform: rotate(360deg); }
}

/* ── Trigger button row ── */
.fam-trigger-wrap {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ── Logged-in state ── */
.fam-logged-in {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}
.fam-avatar {
    width: 38px;
    height: 38px;
    background: var(--fam-primary);
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .9rem;
    flex-shrink: 0;
}
.fam-welcome { font-size: .9rem; color: var(--fam-text); }

/* ── Protected content gate ── */
.fam-gate {
    background: var(--fam-surface);
    border: 2px dashed var(--fam-border);
    border-radius: var(--fam-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    max-width: 480px;
    margin: 1.5rem auto;
}
.fam-gate__icon  { margin-bottom: .25rem; }
.fam-gate__title {
    margin: 0 0 .5rem;
    font-size: 1.2rem;
    color: var(--fam-text);
}
.fam-gate__text  { color: var(--fam-muted); font-size: .9rem; margin-bottom: 1.25rem; }
.fam-gate__buttons { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }

/* ── Protected content (logged in) ── */
.fam-protected-content { /* add custom styles as needed */ }