/* =========================================================
   SRTMUN UNIVERSITY ERP — FINAL PROFESSIONAL UI
   UPDATED + ERROR FIXED + RESPONSIVE
========================================================= */

/* =========================================================
   GOOGLE FONT
========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =========================================================
   ROOT VARIABLES
========================================================= */

:root{

    --primary:#ff7a00;
    --primary-dark:#e86a00;
    --primary-light:#ffb066;

    --secondary:#635bff;
    --cyan:#06b6d4;

    --success:#10b981;
    --danger:#ef4444;
    --warning:#f59e0b;

    --bg:#f8fafc;
    --bg-soft:#eef2ff;

    --surface:rgba(255,255,255,.78);

    --text:#172554;
    --text-soft:#64748b;

    --border:rgba(15,23,42,.08);

    --shadow-xs:
        0 4px 10px rgba(15,23,42,.04);

    --shadow-sm:
        0 12px 24px rgba(15,23,42,.06);

    --shadow-md:
        0 24px 60px rgba(15,23,42,.10);

    --shadow-lg:
        0 40px 100px rgba(15,23,42,.14);

    --shadow-orange:
        0 18px 36px rgba(255,122,0,.16);

    --transition:
        all .35s cubic-bezier(.4,0,.2,1);

    --container:1400px;
}

/* =========================================================
   RESET
========================================================= */

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

html{
    scroll-behavior:smooth;
}

body{

    font-family:'Inter',sans-serif;

    min-height:100vh;

    display:flex;

    flex-direction:column;

    overflow-x:hidden;

    color:var(--text);

    background:
        linear-gradient(
            180deg,
            #fff9f5 0%,
            #f8fafc 45%,
            #eef2ff 100%
        );

    position:relative;
}

/* =========================================================
   BACKGROUND GLOW
========================================================= */

body::before,
body::after{

    content:'';

    position:fixed;

    border-radius:50%;

    filter:blur(120px);

    z-index:-2;

    opacity:.18;
}

body::before{

    width:320px;
    height:320px;

    background:#ffb066;

    top:-120px;
    left:-120px;
}

body::after{

    width:260px;
    height:260px;

    background:#a5b4fc;

    bottom:-120px;
    right:-120px;
}

/* =========================================================
   GRID OVERLAY
========================================================= */

.grid-overlay{

    position:fixed;

    inset:0;

    background-image:
        linear-gradient(rgba(15,23,42,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,23,42,.025) 1px, transparent 1px);

    background-size:48px 48px;

    pointer-events:none;

    z-index:-1;
}

/* =========================================================
   CONTAINER
========================================================= */

.container,
.page-container{

    width:100%;

    max-width:var(--container);

    margin:auto;

    padding:0 20px;
}

/* =========================================================
   HEADER
========================================================= */

header{

    position:sticky;

    top:0;

    z-index:999;

    width:100%;

    padding:10px 0;

    background:
        rgba(255,255,255,.74);

    backdrop-filter:blur(18px);

    border-bottom:
        1px solid rgba(255,255,255,.4);

    box-shadow:
        0 6px 18px rgba(15,23,42,.04);
}

/* =========================================================
   HEADER LAYOUT
========================================================= */

.header-shell{

    position:relative;

    display:flex;

    align-items:center;

    justify-content:space-between;

    min-height:90px;

    width:100%;
}

/* =========================================================
   BRAND
========================================================= */

.brand{

    display:flex;

    align-items:center;

    justify-content:center;

    gap:14px;

    text-align:left;
}

.brand-logo{

    width:80px;
    height:80px;

    object-fit:contain;

    border-radius:18px;

    padding:6px;

    background:
        rgba(255,255,255,.82);

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

    transition:var(--transition);

    flex-shrink:0;
}

.brand-logo:hover{

    transform:scale(1.05);

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

.brand-text{

    display:flex;

    flex-direction:column;

    justify-content:center;

    gap:2px;
}

.brand-title{

    font-size:1.25rem;

    font-weight:900;

    line-height:1.2;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            #ffb066,
            #7c6cf6
        );

    -webkit-background-clip:text;

    -webkit-text-fill-color:transparent;
}

.brand-sub{

    font-size:.82rem;
    

    font-weight:700;

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

/* =========================================================
   NAVIGATION
========================================================= */

.nav{

    position:absolute;

    right:0;

    top:50%;

    transform:translateY(-50%);

    display:flex;

    align-items:center;

    gap:10px;
}

.nav a{

    text-decoration:none;

    padding:10px 18px;

    border-radius:14px;

    background:
        rgba(255,255,255,.82);

    border:
        1px solid rgba(255,255,255,.4);

    color:var(--text);

    font-size:.86rem;

    font-weight:800;

    transition:var(--transition);

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

.nav a:hover{

    transform:translateY(-2px);

    color:var(--primary);

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

.active-nav{

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-dark)
        ) !important;

    color:#ffffff !important;
}

/* =========================================================
   PAGE LAYOUT
========================================================= */

.page-shell{

    flex:1;

    width:100%;

    padding:1px 0;
}

/* =========================================================
   AUTH LAYOUT
========================================================= */

.auth-layout{

    min-height:72vh;

    display:flex;

    align-items:center;

    justify-content:center;
}

/* =========================================================
   ERP CARD SYSTEM FIXED
========================================================= */

.erp-card{

    position:relative;

    overflow:hidden;

    width:100%;

    padding:34px;

    border-radius:30px;

    background:
        rgba(255,255,255,.72);

    backdrop-filter:blur(20px);

    border:
        1px solid rgba(255,255,255,.4);

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

    transition:var(--transition);

    margin-bottom:28px;
}

.login-card{

    position:relative;

    overflow:hidden;

    width:100%;

    max-width:670px;

    padding:34px;

    border-radius:30px;

    background:
        rgba(255,255,255,.72);

    backdrop-filter:blur(20px);

    border:
        1px solid rgba(255,255,255,.4);

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

    transition:var(--transition);
}

.erp-card::before,
.login-card::before{

    content:'';

    position:absolute;

    top:0;
    left:0;

    width:100%;
    height:5px;

    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--secondary),
            var(--cyan)
        );
}

/* =========================================================
   FORM GRID
========================================================= */

.form-grid{

    display:grid;

    grid-template-columns:
        repeat(2, minmax(0,1fr));

    gap:10px;

    width:80%;
}

.form-group{

    display:flex;

    flex-direction:column;

    width:80%;

    margin-bottom:1px;
}

label{

    display:block;

    margin-bottom:1px;

    font-size:.92rem;

    font-weight:800;

    color:#d01279;
}

/* =========================================================
   INPUTS
========================================================= */

.input{

    width:100%;

    min-height:15px;

    padding:10px 40px;

    border-radius:18px;

    border:
        1px solid rgba(15,23,42,.08);

    background:
        rgba(240,244,255,.72);

    font-size:.95rem;

    transition:var(--transition);
}

.input:focus{

    outline:none;

    border-color:var(--primary);

    box-shadow:
        0 0 0 4px rgba(255,122,0,.10);
}

/* =========================================================
   BUTTONS
========================================================= */

.btn-group{

    display:flex;

    flex-wrap:wrap;

    gap:14px;

    margin-top:10px;
}

.btn{

    border:none;

    cursor:pointer;

    text-decoration:none;

    padding:6px 6px;

    border-radius:18px;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-dark)
        );

    color:#ffffff;

    font-size:.92rem;

    font-weight:800;

    transition:var(--transition);

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

.btn:hover{

    transform:translateY(-2px);
}

.btn-secondary{

    background:
        rgba(255,255,255,.88);

    color:var(--text);

    border:
        1px solid rgba(15,23,42,.06);

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

/* =========================================================
   ERP TABLE SHELL FIXED
========================================================= */

.erp-table-shell{

    width:100%;

    overflow-x:hidden;

    margin-top:24px;

    padding:18px;

    border-radius:28px;

    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,.92),
            rgba(248,250,255,.88)
        );

    border:
        1px solid rgba(99,102,241,.08);

    box-shadow:
        0 18px 45px rgba(15,23,42,.05);
}

/* =========================================================
   ERP TABLE FIXED
========================================================= */

.erp-table{

    width:100%;

    table-layout:fixed;

    border-collapse:separate;

    border-spacing:01 10px;
}

.erp-table th{

    background:
        linear-gradient(
            135deg,
            #5b5cf0,
            #4338ca
        );

    color:#fff;

    padding:10px 10px;

    font-size:.8rem;

    font-weight:800;

    text-transform:uppercase;

    border:none;

    text-align:center;

    word-break:break-word;
}

.erp-table td{

    padding:3px 3px;

    vertical-align:middle;

    border:none;

    color:#312e81;

    font-weight:300;

    background:#fff;

    text-align:center;

    word-break:break-word;

    overflow:hidden;

    text-overflow:ellipsis;
}

.erp-table tbody tr{

    transition:all .35s ease;

    box-shadow:
        0 8px 20px rgba(15,23,42,.05);
}

.erp-table tbody tr:hover{

    transform:translateY(-4px);

    box-shadow:
        0 20px 40px rgba(15,23,42,.08);

    background:
        linear-gradient(
            90deg,
            rgba(255,248,240,.98),
            rgba(248,250,255,.98)
        );
}

/* =========================================================
   STATUS BADGE
========================================================= */

.erp-status{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    min-width:110px;

    padding:10px 18px;

    border-radius:999px;

    font-size:.74rem;

    font-weight:800;

    text-transform:uppercase;
}

/* =========================================================
   ACTION BUTTON
========================================================= */

.erp-action-btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:10px 20px;

    border-radius:14px;

    background:
        linear-gradient(
            135deg,
            #ff7a00,
            #ea580c
        );

    color:#fff;

    font-size:.84rem;

    font-weight:800;

    text-decoration:none;

    transition:all .3s ease;

    box-shadow:
        0 10px 20px rgba(255,122,0,.18);
}

.erp-action-btn:hover{

    transform:translateY(-2px);

    box-shadow:
        0 18px 36px rgba(255,122,0,.24);
}

/* =========================================================
   DETAIL CARDS
========================================================= */

.detail-card{

    padding:20px;

    border-radius:20px;

    background:
        rgba(99,102,241,.05);

    border:
        1px solid rgba(99,102,241,.08);

    transition:all .35s ease;
}

.detail-card:hover{

    transform:translateY(-4px);

    background:
        rgba(99,102,241,.08);

    box-shadow:
        0 14px 28px rgba(99,102,241,.08);
}

.detail-label{

    font-size:.82rem;

    font-weight:800;

    color:#64748b;

    margin-bottom:10px;

    text-transform:uppercase;
}

.detail-value{

    font-size:1rem;

    font-weight:700;

    color:#172554;

    word-break:break-word;
}

/* =========================================================
   FOOTER
========================================================= */

/* =========================================================
   FOOTER
========================================================= */

footer{

    margin-top:auto;

    padding:18px 0;

    background:
        rgba(255,255,255,.72);

    backdrop-filter:blur(18px);

    border-top:
        1px solid rgba(255,255,255,.4);
}

.footer-bar{

    display:flex;

    align-items:center;

    justify-content:space-between;

    gap:20px;

    flex-wrap:wrap;
}

.footer-text{

    color:var(--text-soft);

    font-size:.88rem;

    font-weight:600;
}

/* =========================================================
   DEVELOPER LINKS
========================================================= */

.footer-right{

    display:flex;

    align-items:center;

    gap:18px;

    flex-wrap:wrap;
}

.dev-link{

    position:relative;

    text-decoration:none;

    color:var(--text);

    font-size:.88rem;

    font-weight:800;

    transition:var(--transition);
}

.dev-link::after{

    content:'';

    position:absolute;

    left:0;
    bottom:-4px;

    width:0;

    height:2px;

    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--secondary)
        );

    transition:var(--transition);
}

.dev-link:hover{

    color:var(--primary);
}

.dev-link:hover::after{

    width:100%;
}
/* =========================================================
   ANIMATIONS
========================================================= */

.erp-card{

    animation:fadeUp .5s ease;
}

.erp-table tbody tr{

    animation:fadeRow .45s ease;
}

@keyframes fadeUp{

    from{
        opacity:0;
        transform:translateY(20px);
    }

    to{
        opacity:1;
        transform:translateY(0);
    }
}

@keyframes fadeRow{

    from{
        opacity:0;
        transform:translateY(10px);
    }

    to{
        opacity:1;
        transform:translateY(0);
    }
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media(max-width:992px){

    .header-shell{

        flex-direction:column;

        gap:14px;

        padding-top:10px;
    }

    .nav{

        position:static;

        transform:none;
    }

    .brand-title{
        font-size:1.1rem;
    }
}

@media(max-width:768px){

    .container,
    .page-container{
        padding:0 16px;
    }

    .form-grid{
        grid-template-columns:1fr;
    }

    .brand{

        gap:10px;
    }

    .brand-logo{

        width:54px;
        height:54px;
    }

    .brand-title{
        font-size:1rem;
    }

    .brand-sub{
        font-size:.82rem;
    }

    .erp-card,
    .login-card{

        padding:24px;

        border-radius:24px;
    }

    .btn{
        width:100%;
    }

    .nav{

        width:100%;

        flex-direction:column;
    }

    .nav a{

        width:100%;

        text-align:center;
    }
}

/* =========================================================
   LOGIN TAB BUTTONS
========================================================= */

.tabs{

    display:flex;

    gap:14px;

    margin-bottom:30px;
}

.tab{

    position:relative;

    overflow:hidden;

    border:none;

    outline:none;

    cursor:pointer;

    padding:14px 28px;

    border-radius:18px;

    font-size:.95rem;

    font-weight:800;

    letter-spacing:.3px;

    color:var(--text);

    background:
        rgba(255,255,255,.82);

    border:
        1px solid rgba(255,255,255,.4);

    backdrop-filter:blur(12px);

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

    transition:
        transform .35s ease,
        box-shadow .35s ease,
        background .35s ease,
        color .35s ease;
}

/* GRADIENT BORDER */

.tab::before{

    content:'';

    position:absolute;

    inset:0;

    border-radius:18px;

    padding:2px;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary),
            var(--cyan)
        );

    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);

    -webkit-mask-composite:xor;

            mask-composite:exclude;

    opacity:.45;

    transition:.35s ease;
}

/* SHINE EFFECT */

.tab::after{

    content:'';

    position:absolute;

    top:0;

    left:-120%;

    width:55%;

    height:100%;

    background:
        linear-gradient(
            120deg,
            transparent,
            rgba(255,255,255,.75),
            transparent
        );

    transform:skewX(-22deg);

    transition:.8s ease;
}

/* HOVER EFFECT */

.tab:hover{

    transform:
        translateY(-3px)
        scale(1.03);

    color:#fff;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    box-shadow:
        0 18px 36px rgba(99,91,255,.22),
        0 10px 22px rgba(255,122,0,.18);
}

.tab:hover::after{

    left:130%;
}

.tab:hover::before{

    opacity:1;
}

/* ACTIVE TAB */

.tab.active{

    color:#fff;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    box-shadow:
        0 18px 36px rgba(99,91,255,.22),
        0 10px 22px rgba(255,122,0,.18);

    transform:translateY(-2px);

    animation:tabPulse 2.8s infinite;
}

/* PULSE */

@keyframes tabPulse{

    0%{

        box-shadow:
            0 0 0 0 rgba(99,91,255,.35);
    }

    70%{

        box-shadow:
            0 0 0 16px rgba(99,91,255,0);
    }

    100%{

        box-shadow:
            0 0 0 0 rgba(99,91,255,0);
    }
}

.note-filter-area{

    display:grid;

    grid-template-columns:
        1fr
        1fr
        1.2fr
        1fr
        auto;

    gap:18px;

    align-items:end;
}

.note-filter-area .btn{

    min-height:30px;

    white-space:nowrap;
}

@media(max-width:1200px){

    .note-filter-area{

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

@media(max-width:768px){

    .note-filter-area{

        grid-template-columns:1fr;
    }

    .note-filter-area .btn{

        width:100%;
    }
}

.dev-card{
    display:inline-flex;
    align-items:center;
    justify-content:center;

    padding:12px 18px;

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.08);

    border-radius:14px;

    color:#fff;

    font-weight:600;

    text-decoration:none;

    transition:.35s ease;

    cursor:pointer;
}

.dev-card:hover{
    transform:translateY(-4px);

    background:rgba(245,158,11,.18);

    border-color:#f59e0b;

    color:#fff;

    box-shadow:
    0 10px 30px rgba(245,158,11,.25);
}

/* =========================================
   PREMIUM COLORFUL FOOTER UI
========================================= */

.main-footer{
    width: 100%;
    background:
        linear-gradient(
            135deg,
            #0f172a,
            #111827,
            #1e293b
        );

    border-top: 2px solid rgba(255,255,255,0.12);
    padding: 8px 0;
    margin-top: 30px;
    overflow: hidden;
    position: relative;
}

/* ANIMATED TOP GLOW */

.main-footer::before{
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 2px;

    background: linear-gradient(
        90deg,
        #ff0080,
        #00ffd5,
        #ffe600,
        #8b5cf6,
        #ff0080
    );

    animation: topGlow 6s linear infinite;
}

@keyframes topGlow{
    0%{
        transform: translateX(0%);
    }
    100%{
        transform: translateX(50%);
    }
}

/* =========================================
   FOOTER LAYOUT
========================================= */

.footer-bar{
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    min-height: 60px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* COMMON TEXT */

.footer-text{
    color: #ffffff;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: 0.3s ease;
}

/* LEFT TEXT HOVER */

.footer-text:hover{
    color: #00ffd5;
    text-shadow: 0 0 8px rgba(0,255,213,0.6);
}

/* CENTER TEXT */

.footer-center{
    font-size: 14px;
    font-weight: 700;

    background: linear-gradient(
        90deg,
        #ffffff,
        #00ffd5,
        #ffe600,
        #ffffff
    );

    background-size: 300% auto;

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    animation: shineText 6s linear infinite;
}

@keyframes shineText{
    0%{
        background-position: 0% center;
    }
    100%{
        background-position: 300% center;
    }
}

/* =========================================
   DEVELOPER SECTION
========================================= */

.developer-section{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
}

.developer-title{
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;

    background: linear-gradient(
        90deg,
        #ff4d6d,
        #ffd60a,
        #00ffd5
    );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* LINKS WRAPPER */

.developer-links{
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* COMMON LINK STYLE */

.dev-link{
    position: relative;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.4s ease;
    padding: 2px 0;
}

/* =========================================
   UNIQUE COLORFUL HOVER EFFECTS
========================================= */

/* ROHIT */

.dev1:hover{
    color: #ff4d6d;

    transform:
        translateY(-3px)
        scale(1.08);

    text-shadow:
        0 0 8px rgba(255,77,109,0.8),
        0 0 15px rgba(255,77,109,0.5);
}

/* RUTURAJ */

.dev2:hover{
    color: #00ffd5;

    letter-spacing: 1px;

    text-shadow:
        0 0 8px rgba(0,255,213,0.8),
        0 0 16px rgba(0,255,213,0.5);

    transform: scale(1.06);
}

/* SURAJ */

.dev3:hover{
    color: #ffd60a;

    transform:
        rotate(-2deg)
        scale(1.08);

    text-shadow:
        0 0 8px rgba(255,214,10,0.8),
        0 0 16px rgba(255,214,10,0.5);
}

/* =========================================
   ANIMATED UNDERLINE
========================================= */

.dev-link::after{
    content: '';

    position: absolute;
    left: 0;
    bottom: -3px;

    width: 0%;
    height: 2px;

    border-radius: 10px;

    transition: width 0.4s ease;
}

/* DIFFERENT COLORS */

.dev1::after{
    background: linear-gradient(90deg,#ff4d6d,#ff85a1);
}

.dev2::after{
    background: linear-gradient(90deg,#00ffd5,#00b4ff);
}

.dev3::after{
    background: linear-gradient(90deg,#ffd60a,#ff9f1c);
}

.dev-link:hover::after{
    width: 100%;
}

/* =========================================
   DEVELOPER INFO
========================================= */

.developer-info{
    margin-top: 4px;
    font-size: 11px;
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.4px;
    transition: 0.3s ease;
}

.developer-info:hover{
    color: #ffffff;
    text-shadow: 0 0 8px rgba(255,255,255,0.4);
}

/* =========================================
   RESPONSIVE DESIGN
========================================= */

@media (max-width: 768px){

    .footer-bar{
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding: 5px 0;
    }

    .developer-section{
        align-items: center;
    }

    .developer-links{
        justify-content: center;
    }

    .developer-info{
        text-align: center;
    }

}