*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --red-dark:    #7B1A13;
    --red:         #C0392B;
    --red-mid:     #E74C3C;
    --red-light:   #FF6B5B;
    --blue-deep:   #0A0F24;
    --blue-dark:   #121B3A;
    --blue:        #1565C0;
    --blue-mid:    #1E88E5;
    --blue-light:  #42A5F5;
    --white:       #FFFFFF;
    --white-90:    rgba(255,255,255,0.90);
    --white-60:    rgba(255,255,255,0.60);
    --white-30:    rgba(255,255,255,0.30);
    --white-10:    rgba(255,255,255,0.08);
    --bg-dark:     #060B16;
    --font-title:  'Bebas Neue', sans-serif;
    --font-cond:   'Barlow Condensed', sans-serif;
    --font-body:   'Barlow', sans-serif;
    --radius:      12px;
    --transition:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    height: 100%;
    min-height: 100vh;
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    user-select: none;
}

.bg-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.geo { position: absolute; }

.geo-1 {
    width: 700px; height: 700px;
    top: -150px; left: -150px;
    background: conic-gradient(from 120deg, var(--red-dark), var(--blue-dark), var(--red-dark));
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    filter: blur(40px);
    opacity: 0.4;
}

.geo-2 {
    width: 500px; height: 500px;
    bottom: -100px; right: -100px;
    background: conic-gradient(from 220deg, var(--blue-dark), var(--red-dark), var(--blue-dark));
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    filter: blur(50px);
    opacity: 0.3;
}

.noise-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
}

#particles-canvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.login-wrapper {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 450px 1fr;
    min-height: 100vh;
}

.brand-panel {
    position: relative;
    background: linear-gradient(160deg, var(--blue-deep) 0%, var(--blue-dark) 50%, var(--red-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid rgba(255,255,255,0.05);
    padding: 48px 40px;
    overflow: hidden;
}

.brand-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.logo-mark {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    background: var(--red-mid);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    animation: triFloat 4s ease-in-out infinite;
    filter: drop-shadow(0 0 15px var(--red-mid));
}

.brand-name {
    font-family: var(--font-title);
    font-size: 3.5rem;
    line-height: 0.9;
    letter-spacing: 0.05em;
    color: var(--white);
    margin-bottom: 8px;
}

.brand-name span {
    color: var(--red-mid);
    font-size: 4rem;
    display: block;
}

.brand-tagline {
    font-family: var(--font-cond);
    font-size: 0.85rem;
    color: var(--white-60);
    letter-spacing: 0.25em;
    margin: 14px 0 28px;
    text-transform: uppercase;
}

.brand-features {
    list-style: none;
    margin-bottom: 36px;
}

.brand-year {
    font-family: var(--font-cond);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--white-30);
}

.form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
}

.form-inner {
    width: 100%;
    max-width: 440px;
}

.status-bar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 30px;
    padding: 6px 14px;
    margin-bottom: 24px;
}

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #2ED573;
    flex-shrink: 0;
    animation: pulse-dot 2s infinite;
}

.status-dot.danger {
    background: var(--red-mid);
    animation: none;
}

.status-text {
    font-family: var(--font-cond);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--white-90);
}

.form-title {
    font-family: var(--font-title);
    font-size: 3rem;
    letter-spacing: 0.02em;
    line-height: 1;
    color: var(--white);
    margin-bottom: 6px;
}

.form-subtitle {
    font-size: 0.9rem;
    color: var(--white-60);
    font-weight: 300;
    margin-bottom: 28px;
}

.error-banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(192,57,43,0.18);
    border: 1px solid rgba(231,76,60,0.5);
    border-left: 4px solid var(--red-mid);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 24px;
    animation: shakeX 0.4s ease;
}

.error-banner svg {
    width: 18px; height: 18px;
    stroke: var(--red-light);
    flex-shrink: 0;
    margin-top: 1px;
}

.error-banner div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.error-banner span {
    font-size: 0.875rem;
    color: #FF8A80;
    line-height: 1.4;
}

.close-banner {
    background: none;
    border: none;
    color: var(--white-60);
    cursor: pointer;
    font-size: 0.9rem;
    transition: color var(--transition);
    flex-shrink: 0;
}
.close-banner:hover { color: var(--white); }

.field-group { margin-bottom: 20px; }

.field-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white-60);
    margin-bottom: 8px;
    transition: color var(--transition);
}

.field-group:focus-within .field-label { color: var(--blue-light); }

.input-wrap { position: relative; }

.field-input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius);
    padding: 14px 48px 14px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--white);
    outline: none;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
    caret-color: var(--red-light);
    -webkit-appearance: none;
}

.field-input::placeholder { color: rgba(255,255,255,0.22); }

.field-input:focus {
    background: rgba(255,255,255,0.07);
    border-color: var(--blue-mid);
    box-shadow: 0 0 12px rgba(30,136,229,0.20);
}

.field-input.is-error {
    border-color: var(--red-mid);
    box-shadow: 0 0 12px rgba(231,76,60,0.20);
}

.toggle-pass {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--white-30);
    display: flex;
    align-items: center;
    transition: color var(--transition);
}
.toggle-pass:hover { color: var(--white-90); }
.toggle-pass svg { width: 18px; height: 18px; }

.strength-meter {
    height: 3px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width 0.4s ease, background 0.4s ease;
}

.field-error {
    display: block;
    font-size: 0.78rem;
    color: #FF6B5B;
    margin-top: 5px;
    min-height: 16px;
}

.captcha-box {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
}

.captcha-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.captcha-question {
    font-family: var(--font-cond);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--white-90);
    letter-spacing: 0.04em;
}

.btn-refresh {
    background: none;
    border: none;
    color: var(--blue-light);
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: var(--font-cond);
    letter-spacing: 0.05em;
    transition: color var(--transition);
}
.btn-refresh:hover { color: var(--white); }

.captcha-box .field-input {
    padding: 12px 16px;
    -moz-appearance: textfield;
}
.captcha-box .field-input::-webkit-outer-spin-button,
.captcha-box .field-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.attempts-info {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(231,76,60,0.10);
    border: 1px solid rgba(231,76,60,0.28);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 14px;
}

.attempts-info svg {
    width: 15px; height: 15px;
    stroke: var(--red-light);
    flex-shrink: 0;
}

.attempts-info span {
    font-size: 0.8rem;
    color: #FF8A80;
}

.btn-login {
    width: 100%;
    position: relative;
    background: var(--red);
    border: none;
    border-radius: var(--radius);
    padding: 16px 24px;
    font-family: var(--font-cond);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    overflow: hidden;
    transition: background var(--transition), transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 20px rgba(192,57,43,0.35);
    margin-bottom: 16px;
}

.btn-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.10) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}
.btn-login:hover::before { transform: translateX(100%); }

.btn-login:hover:not(:disabled) {
    background: var(--red-mid);
    transform: translateY(-1px);
    box-shadow: 0 6px 28px rgba(192,57,43,0.50);
}

.btn-login:active:not(:disabled) { transform: translateY(0); }

.btn-login:disabled {
    background: rgba(255,255,255,0.10);
    color: var(--white-30);
    cursor: not-allowed;
    box-shadow: none;
    transform: none !important;
}

.btn-arrow {
    width: 17px; height: 17px;
    transition: transform 0.3s ease;
}
.btn-login:hover .btn-arrow { transform: translateX(4px); }

.btn-loader {
    display: none;
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn-login.loading .btn-text,
.btn-login.loading .btn-arrow { display: none; }
.btn-login.loading .btn-loader { display: block; }

.block-alert {
    display: none;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: linear-gradient(135deg, var(--red-dark), var(--blue-deep));
    border: 1px solid rgba(231,76,60,0.6);
    border-radius: var(--radius);
    padding: 14px 24px;
    gap: 12px;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 40px rgba(231,76,60,0.3);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
    white-space: nowrap;
    animation: blockSlide 0.4s ease;
}

.block-alert.visible { display: flex; }

.block-alert svg {
    width: 18px; height: 18px;
    stroke: var(--red-light);
    flex-shrink: 0;
}

.hp-field {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    visibility: hidden !important;
    pointer-events: none !important;
    opacity: 0 !important;
    z-index: -1 !important;
}

@keyframes triFloat {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(46,213,115,0.5); }
    50%       { box-shadow: 0 0 0 5px rgba(46,213,115,0); }
}

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

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

@keyframes blockSlide {
    from { transform: translateX(-50%) translateY(-20px); opacity: 0; }
    to   { transform: translateX(-50%) translateY(0);     opacity: 1; }
}

@media (max-width: 860px) {
    .login-wrapper { grid-template-columns: 1fr; }
    .brand-panel { display: none; }
    .form-panel { padding: 32px 20px; min-height: 100vh; }
    .form-title { font-size: 2.4rem; }
}

@media (max-width: 420px) {
    .form-title { font-size: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.1ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--blue-light);
    outline-offset: 3px;
}