/* login.css — AppPlan authentication page styles */

/* ── Design tokens (shared with app) ───────────────────────────────────── */
:root {
    --clr-primary:    #10b981;
    --clr-primary-dk: #065f46;
    --clr-bg:         #f4f6fb;
    --clr-surface:    #ffffff;
    --clr-border:     #e2e8f0;
    --clr-text:       #1e293b;
    --clr-muted:      #64748b;
    --clr-error:      #ef4444;
    --clr-error-bg:   #fef2f2;
    --clr-error-bdr:  #fecaca;
    --radius-md:      10px;
    --radius-lg:      16px;
    --shadow-card:    0 8px 32px rgba(0,0,0,.10), 0 1px 4px rgba(0,0,0,.06);
    --transition:     .18s ease;
}

/* ── Page shell ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--clr-bg);
    color: var(--clr-text);
}

/* Full-page centered flex container */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(16,185,129,.07) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(6,95,70,.05)  0%, transparent 55%),
        var(--clr-bg);
}

/* ── Card ───────────────────────────────────────────────────────────────── */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

/* Green accent bar at top of card */
.login-card-accent {
    height: 4px;
    background: linear-gradient(90deg, var(--clr-primary) 0%, var(--clr-primary-dk) 100%);
}

.login-card-body {
    padding: 40px 40px 36px;
}

/* ── Brand / heading ────────────────────────────────────────────────────── */
.login-brand {
    text-align: center;
    margin-bottom: 32px;
}
.login-brand .app-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-primary-dk);
    letter-spacing: -.5px;
    margin-bottom: 4px;
}
.login-brand .app-name .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--clr-primary);
    flex-shrink: 0;
}
.login-brand .app-subtitle {
    font-size: .82rem;
    color: var(--clr-muted);
    font-weight: 400;
}

/* ── Error banner ───────────────────────────────────────────────────────── */
#loginError {
    display: none;
    align-items: flex-start;
    gap: 10px;
    background: var(--clr-error-bg);
    border: 1px solid var(--clr-error-bdr);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-bottom: 20px;
    font-size: .84rem;
    color: #b91c1c;
    animation: slideDown .2s ease;
}
#loginError.visible { display: flex; }
#loginError i { margin-top: 1px; flex-shrink: 0; }
#loginError .err-msg { flex: 1; line-height: 1.4; }
#loginError .err-close {
    background: none;
    border: none;
    padding: 0;
    color: #b91c1c;
    cursor: pointer;
    font-size: 1rem;
    opacity: .6;
    transition: opacity var(--transition);
}
#loginError .err-close:hover { opacity: 1; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Form fields ────────────────────────────────────────────────────────── */
.field-group {
    margin-bottom: 18px;
}
.field-group label {
    display: block;
    font-size: .78rem;
    font-weight: 600;
    color: var(--clr-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 6px;
}

.field-wrap {
    position: relative;
}
.field-wrap .field-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: .85rem;
    pointer-events: none;
    transition: color var(--transition);
}

.field-wrap input {
    width: 100%;
    height: 44px;
    padding: 0 42px;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-md);
    font-size: .92rem;
    font-family: inherit;
    color: var(--clr-text);
    background: #f8fafc;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field-wrap input::placeholder { color: #b0bec5; }
.field-wrap input:focus {
    border-color: var(--clr-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(16,185,129,.15);
}
.field-wrap input:focus + .field-icon,
.field-wrap input:focus ~ .field-icon { color: var(--clr-primary); }

/* Password toggle button */
.pwd-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: #94a3b8;
    font-size: .85rem;
    line-height: 1;
    transition: color var(--transition);
}
.pwd-toggle:hover { color: var(--clr-primary); }

/* ── Forgot password link ───────────────────────────────────────────────── */
.forgot-link {
    display: block;
    text-align: right;
    font-size: .78rem;
    color: var(--clr-primary);
    text-decoration: none;
    margin-top: 6px;
    font-weight: 500;
    transition: color var(--transition);
}
.forgot-link:hover { color: var(--clr-primary-dk); text-decoration: underline; }

/* ── Submit button ──────────────────────────────────────────────────────── */
.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 46px;
    margin-top: 28px;
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dk) 100%);
    color: #fff;
    font-size: .92rem;
    font-weight: 700;
    font-family: inherit;
    letter-spacing: .3px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(16,185,129,.35);
    transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-login:hover {
    opacity: .92;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16,185,129,.40);
}
.btn-login:active  { transform: translateY(0); opacity: 1; }
.btn-login:disabled { opacity: .65; cursor: not-allowed; transform: none; }

.btn-login .spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
.btn-login.loading .spinner { display: inline-block; }
.btn-login.loading .btn-label { display: none; }

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

/* ── Footer note ────────────────────────────────────────────────────────── */
.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: .75rem;
    color: var(--clr-muted);
}

/* ── Full-screen loader overlay ─────────────────────────────────────────── */
#loader_holder {
    position: fixed;
    inset: 0;
    background: rgba(244,246,251,.75);
    backdrop-filter: blur(3px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.loader-spinner {
    width: 44px;
    height: 44px;
    border: 4px solid rgba(16,185,129,.2);
    border-top-color: var(--clr-primary);
    border-radius: 50%;
    animation: spin .75s linear infinite;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .login-card-body { padding: 28px 24px 24px; }
}