/* =========================================================
   CHATNEX — LOGIN PAGE
   File: css/components/login.css
========================================================= */


/* =========================================================
   01. LOGIN PAGE FOUNDATION
========================================================= */

.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;

    background:
        radial-gradient(
            circle at 15% 20%,
            rgba(59, 130, 246, 0.12),
            transparent 32%
        ),
        radial-gradient(
            circle at 85% 75%,
            rgba(139, 92, 246, 0.10),
            transparent 32%
        ),
        var(--bg-primary);
}


/* =========================================================
   02. HEADER
========================================================= */

.login-page .site-header {
    position: relative;
    z-index: 20;
}


/* =========================================================
   03. LOGIN MAIN
========================================================= */

.login-main {
    flex: 1;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 90px 20px;

    position: relative;
    overflow: hidden;
}


.login-background-glow {
    position: absolute;

    width: 520px;
    height: 520px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(59, 130, 246, 0.10),
            transparent 68%
        );

    pointer-events: none;

    filter: blur(10px);
}


.login-background-glow.left {
    top: -220px;
    left: -180px;
}


.login-background-glow.right {
    right: -220px;
    bottom: -220px;

    background:
        radial-gradient(
            circle,
            rgba(139, 92, 246, 0.10),
            transparent 68%
        );
}


/* =========================================================
   04. LOGIN CONTAINER
========================================================= */

.login-container {
    width: 100%;
    max-width: 1080px;

    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        minmax(380px, 460px);

    gap: 70px;

    align-items: center;

    position: relative;
    z-index: 2;
}


/* =========================================================
   05. LOGIN INTRO
========================================================= */

.login-intro {
    max-width: 520px;
}


.login-intro-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 8px 14px;
    margin-bottom: 22px;

    border: 1px solid var(--border-strong);
    border-radius: var(--radius-pill);

    background: rgba(59, 130, 246, 0.08);

    color: var(--brand-blue-light);

    font-size: 0.82rem;
    font-weight: 700;

    letter-spacing: 0.04em;
    text-transform: uppercase;
}


.login-intro-badge span {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--brand-cyan);

    box-shadow:
        0 0 12px rgba(34, 211, 238, 0.7);
}


.login-intro h1 {
    margin: 0 0 20px;

    font-size: clamp(2.5rem, 5vw, 4.2rem);
    line-height: 1.05;

    letter-spacing: -0.045em;

    color: var(--text-primary);
}


.login-intro h1 span {
    background: var(--gradient-text);

    -webkit-background-clip: text;
    background-clip: text;

    -webkit-text-fill-color: transparent;

    color: transparent;
}


.login-intro > p {
    max-width: 500px;

    margin: 0 0 30px;

    color: var(--text-secondary);

    font-size: 1.05rem;
    line-height: 1.8;
}


/* =========================================================
   06. LOGIN FEATURES
========================================================= */

.login-features {
    display: grid;
    gap: 14px;
}


.login-feature {
    display: flex;
    align-items: center;
    gap: 13px;

    color: var(--text-secondary);

    font-size: 0.94rem;
}


.login-feature-icon {
    width: 34px;
    height: 34px;

    flex: 0 0 34px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--border-light);
    border-radius: 10px;

    background: rgba(59, 130, 246, 0.08);

    color: var(--brand-blue-light);

    font-size: 0.9rem;
}


/* =========================================================
   07. LOGIN CARD
========================================================= */

.login-card {
    width: 100%;

    padding: 36px;

    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);

    background:
        linear-gradient(
            145deg,
            rgba(17, 26, 45, 0.96),
            rgba(10, 16, 32, 0.96)
        );

    box-shadow:
        var(--shadow-lg),
        0 0 70px rgba(59, 130, 246, 0.08);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}


.login-card-header {
    margin-bottom: 28px;

    text-align: center;
}


/* =========================================================
   08. LOGIN LOGO
========================================================= */

.login-logo {
    width: 58px;
    height: 58px;

    margin: 0 auto 18px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 17px;

    background: var(--gradient-brand);

    color: var(--text-white);

    font-size: 1.35rem;
    font-weight: 900;

    box-shadow: var(--shadow-blue);
}


.login-card-header h2 {
    margin: 0 0 8px;

    color: var(--text-primary);

    font-size: 1.65rem;
    line-height: 1.2;
}


.login-card-header p {
    margin: 0;

    color: var(--text-muted);

    font-size: 0.92rem;
    line-height: 1.6;
}


/* =========================================================
   09. LOGIN FORM
========================================================= */

.login-form {
    display: grid;
    gap: 19px;
}


.login-field {
    display: grid;
    gap: 8px;
}


.login-field label {
    color: var(--text-primary);

    font-size: 0.88rem;
    font-weight: 700;
}


.login-input-wrapper {
    position: relative;
}


.login-input-icon {
    position: absolute;

    top: 50%;
    left: 15px;

    transform: translateY(-50%);

    color: var(--text-muted);

    pointer-events: none;

    font-size: 0.92rem;
}


.login-input {
    width: 100%;
    min-height: 50px;

    padding: 0 15px 0 43px;

    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);

    outline: none;

    background: var(--bg-secondary);

    color: var(--text-primary);

    font: inherit;

    transition:
        border-color var(--transition-normal),
        background var(--transition-normal),
        box-shadow var(--transition-normal);
}


.login-input::placeholder {
    color: var(--text-muted);
}


.login-input:hover {
    border-color: var(--border-strong);
}


.login-input:focus {
    border-color: var(--brand-blue);

    background: var(--bg-tertiary);

    box-shadow:
        0 0 0 3px rgba(59, 130, 246, 0.12);
}


.login-password-input {
    padding-right: 60px;
}


/* =========================================================
   10. PASSWORD TOGGLE
========================================================= */

.login-password-toggle {
    position: absolute;

    top: 50%;
    right: 12px;

    transform: translateY(-50%);

    border: 0;

    background: transparent;

    color: var(--text-muted);

    cursor: pointer;

    padding: 7px;

    border-radius: 8px;

    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;

    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}


.login-password-toggle:hover,
.login-password-toggle:focus-visible {
    color: var(--text-primary);

    background: rgba(255, 255, 255, 0.06);
}


/* =========================================================
   11. FORM OPTIONS
========================================================= */

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 15px;

    margin-top: -3px;
}


.login-remember {
    display: inline-flex;
    align-items: center;

    gap: 8px;

    color: var(--text-secondary);

    font-size: 0.84rem;

    cursor: pointer;
}


.login-remember input {
    width: 15px;
    height: 15px;

    accent-color: var(--brand-blue);
}


.login-forgot {
    color: var(--brand-blue-light);

    font-size: 0.84rem;
    font-weight: 600;

    text-decoration: none;

    transition:
        color var(--transition-fast);
}


.login-forgot:hover {
    color: var(--brand-cyan-light);
}


/* =========================================================
   12. LOGIN MESSAGE
========================================================= */

.login-message {
    display: none;

    padding: 11px 13px;

    border-radius: var(--radius-sm);

    font-size: 0.82rem;
    line-height: 1.5;
}


.login-message.show {
    display: block;
}


.login-message.error {
    border: 1px solid rgba(239, 68, 68, 0.25);

    background: rgba(239, 68, 68, 0.08);

    color: #fca5a5;
}


.login-message.success {
    border: 1px solid rgba(34, 197, 94, 0.25);

    background: rgba(34, 197, 94, 0.08);

    color: var(--brand-green-light);
}


/* =========================================================
   13. LOGIN SUBMIT
========================================================= */

.login-submit {
    width: 100%;
    min-height: 52px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 9px;

    margin-top: 4px;

    border: 0;
    border-radius: var(--radius-md);

    background: var(--gradient-brand);

    color: var(--text-white);

    font: inherit;
    font-weight: 800;

    cursor: pointer;

    box-shadow: var(--shadow-blue);

    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        filter var(--transition-normal);
}


.login-submit:hover {
    transform: translateY(-2px);

    box-shadow:
        var(--shadow-blue),
        0 15px 35px rgba(59, 130, 246, 0.15);

    filter: brightness(1.06);
}


.login-submit:active {
    transform: translateY(0);
}


.login-submit:focus-visible {
    outline: 2px solid var(--brand-cyan);

    outline-offset: 3px;
}


/* =========================================================
   14. LOGIN DIVIDER
========================================================= */

.login-divider {
    display: flex;
    align-items: center;

    gap: 13px;

    margin: 25px 0;

    color: var(--text-muted);

    font-size: 0.78rem;
}


.login-divider::before,
.login-divider::after {
    content: "";

    flex: 1;

    height: 1px;

    background: var(--border-color);
}


/* =========================================================
   15. SOCIAL LOGIN
========================================================= */

.login-social {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 11px;
}


.login-social-button {
    min-height: 46px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 8px;

    padding: 0 14px;

    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);

    background: var(--bg-secondary);

    color: var(--text-secondary);

    font: inherit;

    font-size: 0.84rem;
    font-weight: 700;

    cursor: pointer;

    transition:
        border-color var(--transition-normal),
        background var(--transition-normal),
        color var(--transition-normal),
        transform var(--transition-normal);
}


.login-social-button:hover {
    border-color: var(--border-strong);

    background: var(--bg-tertiary);

    color: var(--text-primary);

    transform: translateY(-1px);
}


.login-social-button:focus-visible {
    outline: 2px solid var(--brand-cyan);

    outline-offset: 2px;
}


/* =========================================================
   16. SIGN UP
========================================================= */

.login-signup {
    margin: 25px 0 0;

    text-align: center;

    color: var(--text-muted);

    font-size: 0.86rem;
}


.login-signup a {
    color: var(--brand-blue-light);

    font-weight: 700;

    text-decoration: none;

    transition:
        color var(--transition-fast);
}


.login-signup a:hover {
    color: var(--brand-cyan-light);
}


/* =========================================================
   17. SECURITY NOTE
========================================================= */

.login-security {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 7px;

    margin-top: 20px;

    color: var(--text-muted);

    font-size: 0.76rem;

    text-align: center;
}


/* =========================================================
   18. LIGHT MODE
========================================================= */

body.light-mode .login-page {
    background:
        radial-gradient(
            circle at 15% 20%,
            rgba(59, 130, 246, 0.08),
            transparent 32%
        ),
        radial-gradient(
            circle at 85% 75%,
            rgba(139, 92, 246, 0.07),
            transparent 32%
        ),
        var(--bg-primary);
}


body.light-mode .login-card {
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.96),
            rgba(248, 250, 252, 0.96)
        );

    box-shadow:
        0 20px 60px rgba(15, 23, 42, 0.10),
        0 0 50px rgba(59, 130, 246, 0.06);
}


body.light-mode .login-input,
body.light-mode .login-social-button {
    background: var(--bg-secondary);
}


body.light-mode .login-password-toggle:hover,
body.light-mode .login-password-toggle:focus-visible {
    background: rgba(15, 23, 42, 0.06);
}


/* =========================================================
   19. RESPONSIVE — TABLET
========================================================= */

@media (max-width: 900px) {

    .login-container {
        grid-template-columns: 1fr;

        max-width: 520px;

        gap: 45px;
    }


    .login-intro {
        max-width: none;

        text-align: center;
    }


    .login-intro > p {
        margin-left: auto;
        margin-right: auto;
    }


    .login-features {
        max-width: 360px;

        margin: 0 auto;

        text-align: left;
    }

}


/* =========================================================
   20. RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 600px) {

    .login-main {
        padding: 55px 16px;
    }


    .login-card {
        padding: 27px 20px;

        border-radius: var(--radius-lg);
    }


    .login-intro h1 {
        font-size: 2.45rem;
    }


    .login-intro > p {
        font-size: 0.94rem;
    }


    .login-options {
        align-items: flex-start;
    }


    .login-social {
        grid-template-columns: 1fr;
    }


    .login-background-glow {
        width: 360px;
        height: 360px;
    }

}


/* =========================================================
   21. SMALL MOBILE
========================================================= */

@media (max-width: 420px) {

    .login-main {
        padding-left: 12px;
        padding-right: 12px;
    }


    .login-card {
        padding: 24px 16px;
    }


    .login-intro h1 {
        font-size: 2.15rem;
    }


    .login-options {
        flex-direction: column;
        gap: 10px;
    }


    .login-forgot {
        align-self: flex-end;
    }

}


/* =========================================================
   22. REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

    .login-submit,
    .login-social-button,
    .login-input,
    .login-password-toggle,
    .login-forgot,
    .login-signup a {
        transition: none;
    }


    .login-submit:hover,
    .login-social-button:hover {
        transform: none;
    }

}