/* ==========================================================================
   pages/login.css  –  Styles specific to login.html
   Load order: base.css → components.css → pages/login.css
   No Tailwind dependency — full semantic CSS.
   ========================================================================== */

/* ── Body ────────────────────────────────────────────────────────────────── */
body {
    font-family: var(--font-sans);
    background: var(--gradient-brand);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}


/* ── Particle system ─────────────────────────────────────────────────────── */
/* #particles wrapper */
.login-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

/* .particle elements are generated by JS — size/position/delay via style.cssText */
.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: particle-float 20s infinite ease-in-out;
}

@keyframes particle-float {
    0%,  100% { transform: translateY(0)      translateX(0)     scale(1);   opacity: 0.3; }
    25%        { transform: translateY(-100px) translateX(50px)  scale(1.1); opacity: 0.5; }
    50%        { transform: translateY(-200px) translateX(-50px) scale(0.9); opacity: 0.3; }
    75%        { transform: translateY(-100px) translateX(100px) scale(1.2); opacity: 0.4; }
}

/* Decorative blur blobs */
.login-blob {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(100px);
}

.login-blob--tr {
    top: 0; right: 0;
    width: 500px; height: 500px;
    background: rgba(255, 255, 255, 0.1);
    filter: blur(120px);
}

.login-blob--bl {
    bottom: 0; left: 0;
    width: 400px; height: 400px;
    background: rgba(34, 211, 238, 0.1);
    filter: blur(100px);
}


/* ── Main wrapper ────────────────────────────────────────────────────────── */
.login-wrapper {
    width: 100%;
    max-width: 28rem;   /* ~448px, equiv. max-w-md */
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}


/* ── Header (logo + title) ───────────────────────────────────────────────── */
.login-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-logo {
    width: 3.5rem;   /* 56px */
    height: 3.5rem;
    flex-shrink: 0;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25), 0 0 20px rgba(0, 177, 183, 0.3);
}

.login-logo img {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain;
    border-radius: 50%;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #fff;
    line-height: 1.25;
    margin: 0;
}

.login-subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    margin: 0.125rem 0 0;
}


/* ── Glass card ──────────────────────────────────────────────────────────── */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}


/* ── Form ────────────────────────────────────────────────────────────────── */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.login-field__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #475569;
    margin-left: 0.25rem;
}

.login-field__input-wrap {
    position: relative;
}

.login-field__icon {
    position: absolute;
    inset-block: 0;
    left: 0;
    padding-left: 1rem;
    display: flex;
    align-items: center;
    pointer-events: none;
    color: #94a3b8;
    transition: color 0.15s;
    font-size: 20px;
}

.login-field__input-wrap:focus-within .login-field__icon {
    color: var(--color-brand-primary);
}

.login-field__input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: #0f172a;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-field__input::placeholder { color: #94a3b8; }

.login-field__input:focus {
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 177, 183, 0.2);
}

/* Password field has the toggle button on the right */
.login-field__input--pw { padding-right: 2.75rem; }

/* .login-field__input--error is added/removed by inline JS */
.login-field__input--error {
    border-color: #f87171 !important;
    box-shadow: 0 0 0 3px rgba(252, 165, 165, 0.4) !important;
}

/* .shake — must remain as CSS target (JS uses it) */
.shake { animation: input-shake 0.4s ease; }

@keyframes input-shake {
    0%,  100% { transform: translateX(0); }
    20%        { transform: translateX(-6px); }
    40%        { transform: translateX(6px); }
    60%        { transform: translateX(-4px); }
    80%        { transform: translateX(4px); }
}

.login-field__toggle {
    position: absolute;
    inset-block: 0;
    right: 0;
    padding-right: 1rem;
    display: flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    color: #94a3b8;
    transition: color 0.15s;
}

.login-field__toggle:hover { color: var(--color-brand-primary); }

/* Error message — JS toggles .hidden / adds .flex */
.login-error {
    display: none;
    align-items: center;
    gap: 0.375rem;
    color: #ef4444;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.125rem 0.25rem 0;
}

.login-error.flex { display: flex; }
.login-error.hidden { display: none !important; }
.login-error__icon { font-size: 14px; }


/* ── Remember me ─────────────────────────────────────────────────────────── */
.login-remember {
    display: flex;
    align-items: center;
    padding: 0 0.25rem;
}

.login-remember__label {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
    transition: color 0.15s;
}

.login-remember__label:hover { color: #334155; }

.login-remember__checkbox {
    width: 1rem;
    height: 1rem;
    border-radius: 0.25rem;
    border: 1px solid #cbd5e1;
    accent-color: var(--color-brand-primary);
    cursor: pointer;
}


/* ── Submit button ───────────────────────────────────────────────────────── */
#loginBtn {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: var(--gradient-brand);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    box-shadow: 0 10px 25px -5px rgba(0, 52, 73, 0.3);
    transition: background 0.2s, transform 0.1s;
}

#loginBtn:hover:not(:disabled) {
    background: linear-gradient(135deg, #009fa5 0%, #002a3a 100%);
}

#loginBtn:active:not(:disabled) { transform: scale(0.98); }

#loginBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-btn__icon {
    font-size: 18px;
    transition: transform 0.15s;
}

#loginBtn:hover .login-btn__icon { transform: translateX(3px); }

/* Spinner (shown in loading state) — .spinner class name used by JS */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin-loader 0.7s linear infinite;
    flex-shrink: 0;
}

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

/* JS uses .hidden on btnNormal / btnLoading spans */
.login-btn__state         { display: flex; align-items: center; gap: 0.5rem; }
.login-btn__state.hidden  { display: none; }


/* ── Page footer ─────────────────────────────────────────────────────────── */
.login-footer-text {
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.login-footer-text a {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
}

.login-footer-text a:hover { text-decoration: underline; }

.login-copyright {
    position: absolute;
    bottom: 1.25rem;
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    z-index: 10;
    pointer-events: none;
}


/* ── Logo fallback text (shown if logo image fails) ──────────────────────── */
.login-logo__fallback {
    color: var(--color-brand-primary);
    font-size: 1.125rem;
    font-weight: 700;
}